- Types:
- show 131 types...
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darling pea, poison bush
either of two Australian plants of the genus Swainsona that are poisonous to sheep
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Amsonia tabernaemontana, blue star
subshrubs of southeastern United States forming slow-growing clumps and having blue flowers in short terminal cymes
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periwinkle
chiefly trailing poisonous plants with blue flowers
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Aralia nudicaulis, false sarsaparilla, wild sarsaparilla, wild sarsparilla
common perennial herb having aromatic roots used as a substitute for sarsaparilla; central and eastern North America
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American spikenard, Aralia racemosa, life-of-man, petty morel
unarmed woody rhizomatous perennial plant distinguished from wild sarsaparilla by more aromatic roots and panicled umbels; southeastern North America to Mexico
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Aralia hispida, bristly sarsaparilla, bristly sarsparilla, dwarf elder
bristly herb of eastern and central North America having black fruit and medicinal bark
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bloodleaf
any plant of the genus Iresine having colored foliage
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Cleome pinnata, Stanleya pinnata, desert plume, prince's-plume
perennial of southwestern United States having leathery blue-green pinnatifid leaves and thick plumelike spikes of yellow flowers; sometimes placed in genus Cleome
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California tree poppy, Romneya coulteri, matilija poppy
tall branching subshrub of California and Mexico often cultivated for its silvery-blue foliage and large fragrant white flowers
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burdock, clotbur
any of several erect biennial herbs of temperate Eurasia having stout taproots and producing burs
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Argyranthemum frutescens, Chrysanthemum frutescens, Paris daisy, marguerite, marguerite daisy
perennial subshrub of the Canary Islands having usually pale yellow daisylike flowers; often included in genus Chrysanthemum
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wormwood
any of several low composite herbs of the genera Artemisia or Seriphidium
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sage brush, sagebrush
any of several North American composite subshrubs of the genera Artemis or Seriphidium
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beggar's-ticks, beggar-ticks, bur marigold, burr marigold, sticktight
any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing
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centaury
any plant of the genus Centaurea
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matchbush, matchweed
any of several plants of the genus Gutierrezia having tiny flower heads that resemble the heads of matches
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Parthenium argentatum, guayule
much-branched subshrub with silvery leaves and small white flowers of Texas and northern Mexico; cultivated as a source of rubber
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American feverfew, Parthenium integrifolium, prairie dock, wild quinine
stout perennial herb of the eastern United States with whitish flowers; leaves traditionally used by Catawba Indians to treat burns
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bastard pimpernel, chaffweed, false pimpernel
weedy plant having short dry chafflike leaves
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thrift
any of numerous sun-loving low-growing evergreens of the genus Armeria having round heads of pink or white flowers
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marsh rosemary, sea lavender, statice
any of various plants of the genus Limonium of temperate salt marshes having spikes of white or mauve flowers
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corchorus
any of various plants of the genus Corchorus having large leaves and cymose clusters of yellow flowers; a source of jute
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diapensia
any boreal low-growing evergreen plant of the genus Diapensia
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loosestrife
any of numerous herbs and subshrubs of the genus Lythrum
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deer grass, meadow beauty
any of several plants of the genus Rhexia usually having pink-purple to magenta flowers; eastern North America
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St John's wort
any of numerous plants of the genus Hypericum having yellow flowers and transparently dotted leaves; traditionally gathered on St John's eve to ward off evil
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Hudsonia ericoides, false heather, golden heather
North American decumbent evergreen heathlike plant with yellow flowers
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Hudsonia tomentosa, beach heather, poverty grass
small heathlike plant covered with white down growing on beaches in northeastern North America
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Cassia fasciculata, Chamaecrista fasciculata, partridge pea, sensitive pea, wild sensitive plant
tropical American plant having leaflets somewhat sensitive to the touch; sometimes placed in genus Cassia
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Cassia tora, Senna obtusifolia, sicklepod
cosmopolitan tropical herb or subshrub with yellow flowers and slender curved pods; a weed; sometimes placed in genus Cassia
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beggar lice, beggar's lice, tick trefoil
any of various tropical and subtropical plants having trifoliate leaves and rough sticky pod sections or loments
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Hedysarum boreale, sweet vetch
perennial of western United States having racemes of pink to purple flowers followed by flat pods that separate into nearly orbicular joints
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French honeysuckle, Hedysarum coronarium, sulla
perennial of southern Europe cultivated for forage and for its nectar-rich pink flowers that make it an important honey crop
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Hippocrepis comosa, horseshoe vetch
European woody perennial with yellow umbellate flowers followed by flattened pods that separate into horseshoe-shaped joints
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cube
any of several tropical American woody plants of the genus Lonchocarpus whose roots are used locally as a fish poison and commercially as a source of rotenone
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Lotus americanus, compass plant, prairie bird's-foot trefoil, prairie lotus, prairie trefoil
North American annual with red or rose-colored flowers
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Lotus berthelotii, coral gem
low-growing much-branched perennial of Canary Islands having orange-red to scarlet or purple flowers; naturalized in United States
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Lotus corniculatus, babies' slippers, bacon and eggs, bird's foot clover, bird's foot trefoil
European forage plant having claw-shaped pods introduced in America
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Indian beet, Lupinus perennis, old-maid's bonnet, sundial lupine, wild lupine
stout perennial of eastern and central North America having palmate leaves and showy racemose blue flowers
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Ononis repens, rest-harrow, restharrow
European woody plant having pink flowers and unifoliate leaves and long tough roots; spreads by underground runners
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Ononis spinosa, rest-harrow, restharrow
Eurasian plant having loose racemes of pink or purple flowers and spiny stems and tough roots
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hoary pea
a plant of the genus Tephrosia having pinnate leaves and white or purplish flowers and flat hairy pods
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Polygonum orientale, kiss-me-over-the-garden-gate, prince's-feather, prince's-plume, princess feather
annual with broadly ovate leaves and slender drooping spikes of crimson flowers; southeastern Asia and Australia; naturalized in North America
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eriogonum
any plant of the genus Eriogonum with small clustered flowers
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Dryas octopetala, mountain avens
creeping evergreen shrub with large white flowers; widely distributed in northern portions of Eurasia and North America
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avens
any of various perennials of the genus Geum having usually pinnate basal leaves and variously colored flowers
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Prunus besseyi, Rocky Mountains cherry, Western sand cherry
dwarf ornamental shrub of western United States having large black to red and yellow sweet edible fruit
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woodruff
any plant of the genus Asperula
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Linnaea borealis, twinflower
creeping evergreen subshrub of the northern parts of Europe and Asia with delicate fragrant tubular bell-shaped usually pink flowers borne in pairs
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milkwort
any of various plants of the genus Polygala
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Tribulus terestris, caltrop, devil's weed
tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed
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pachysandra
any plant of the genus Pachysandra; low-growing evergreen herbs or subshrubs having dentate leaves and used as ground cover
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Aeonium haworthii, pinwheel
perennial subshrub of Tenerife having leaves in rosettes resembling pinwheels
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phlomis
any of various plants of the genus Phlomis; grown primarily for their dense whorls of lipped flowers and attractive foliage
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Jerusalem sage, Phlomis fruticosa
a spreading subshrub of Mediterranean regions cultivated for dense axillary whorls of purple or yellow flowers
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germander
any of various plants of the genus Teucrium
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blue curls
any of several plants of the genus Trichostema having whorls of small blue flowers
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eringo, eryngo
any plant of the genus Eryngium
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Swainsona galegifolia, smooth darling pea
erect or trailing perennial of eastern Australia having axillary racemes of blue to purple or red flowers
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Swainsona grandiflora, Swainsona greyana, hairy darling pea
shrubby perennial of southern Australia having downy or woolly stems and undersides of leaves and racemes of red to pink flowers
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Vinca minor, myrtle
widely cultivated as a groundcover for its dark green shiny leaves and usually blue-violet flowers
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Vinca major, large periwinkle
plant having variegated foliage and used for window boxes
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Iresine herbstii, Iresine reticulata, beef plant, beefsteak plant
South American plant having green to purple or red branches with green to purple ornamental foliage and spikes of insignificant woolly flowers with dry membranous bracts
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Arctium minus, common burdock, lesser burdock
a plant that is ubiquitous in all but very acid soil; found in most of Europe and North Africa
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Arctium lappa, cocklebur, great burdock, greater burdock
burdock having heart-shaped leaves found in open woodland, hedgerows and rough grassland of Europe (except extreme N) and Asia Minor; sometimes cultivated for medicinal and culinary use
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mugwort
any of several weedy composite plants of the genus Artemisia
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Artemisia abrotanum, southernwood
shrubby European wormwood naturalized in North America; sometimes used in brewing beer
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Artemisia absinthium, absinthe, common wormwood, lad's love, old man
aromatic herb of temperate Eurasia and North Africa having a bitter taste used in making the liqueur absinthe
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Artemisia annua, sweet wormwood
wormwood of southeastern Europe to Iran
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Artemisia californica, California sage, California sagebrush
low ashy-grey California shrub
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Artemisia campestris, field wormwood
European wormwood similar to common wormwood in its properties
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Artemisia filifolia, sand sage, silvery wormwood
silver-haired shrub of central and southern United States and Mexico; a troublesome weed on rangelands
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Artemisia frigida, prairie sagewort, wormwood sage
silky-leaved aromatic perennial of dry northern parts of the northern hemisphere; has tawny florets
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Artemis pontica, Roman wormwood
European wormwood; minor source of absinthe
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Artemis spinescens, bud brush, bud sagebrush
a perennial that is valuable as sheep forage in the United States
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Artemisia stelleriana, beach wormwood, dusty miller, old woman
herb with greyish leaves found along the east coast of North America; used as an ornamental plant
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Bidens bipinnata, Spanish needles
common bur marigold of the eastern United States
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Bidens coronata, Bidens trichosperma, tickseed sunflower
North American bur marigold with large flowers
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Bidens tripartita, European beggar-ticks, trifid beggar-ticks, trifid bur marigold
bur marigold of temperate Eurasia
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Bidens connata, swampy beggar-ticks
bur marigold of eastern and northern United States and Canada common in wet pastures and meadows
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Centaurea americana, basket flower
annual of southwestern United States cultivated for its purple flower heads and its bracts that resemble small baskets
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Centaurea cineraria, Centaurea gymnocarpa, dusty miller
a plant having leaves and stems covered with down that resembles dust
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Centauria calcitrapa, caltrop, star-thistle
Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America
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knapweed
any of various plants of the genus Centaurea having purple thistlelike flowers
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Gutierrezia microcephala, little-head snakeweed
similar to Gutierrezia sarothrae but with flower heads having fewer rays and disk flowers
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Gutierrezia sarothrae, broom snakeroot, broom snakeweed, rabbit-weed, rabbitweed, snakeweed, turpentine weed
low-growing sticky subshrub of southwestern United States having narrow linear leaves on many slender branches and hundreds of tiny yellow flower heads
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Gutierrezia texana, broom-weed, broomweed
annual of southwestern United States having rigid woody branches with sticky foliage and yellow flowers
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Artemisia cana, Seriphidium canum, gray sage, grey sage, silver sage, silver sagebrush
low much-branched perennial of western United States having silvery leaves; an important browse and shelter plant
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Artemisia maritima, Seriphidium maritimum, sea wormwood
plants of western and northern European coasts
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Artemisia tridentata, Seriphidium tridentatum, big sagebrush, blue sage
aromatic shrub of arid regions of western North America having hoary leaves
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Armeria maritima, cliff rose, sea pink
tufted thrift of seacoasts and mountains of north temperate zone; occasionally grown as a ground cover
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Lythrum salicaria, purple loosestrife, spiked loosestrife
marsh herb with a long spike of purple flowers; originally of Europe but now rampant in eastern United States
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Lythrum hyssopifolia, grass poly, hyssop loosestrife
annual with small solitary pink flowers; originally of Europe but widely naturalized in moist areas
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Hypericum androsaemum, common St John's wort, tutsan
deciduous bushy Eurasian shrub with golden yellow flowers and reddish-purple fruits from which a soothing salve is made in Spain
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Hypericum ascyron, Hypericum pyramidatum, great St John's wort
perennial shrub having large star-shaped yellow flowers in narrowly pyramidal cymes
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Hypericum calycinum, creeping St John's wort
creeping evergreen shrub with bright yellow star-shaped summer flowers; useful as ground cover
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Hypericum gentianoides, nitweed, orange grass, pine-weed, pineweed
annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers
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Hypericum crux andrae, St Andrews's cross
shrubby plant having yellow to apricot flowers with four petals arranged in a cross; southeastern United States: New York to Texas
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Hypericum hypericoides, low St Andrew's cross
low shrubby plant having yellow flowers with four petals arranged in a cross; Bermuda and southeastern United States to West Indies and eastern Mexico
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Hypericum perforatum, klammath weed
yellow-flowered perennial common in fields and waste places but a weed in rangelands
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Hypericum prolificum, Hypericum spathulatum, shrubby St John's wort
stiff shrub having oblong entire leaves and dense cymes of yellow flowers
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Hypericum maculatum, Hypericum tetrapterum, St Peter's wort
European perennial St John's wort; Ireland and France to western Siberia
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Hypericum virginianum, marsh St-John's wort
perennial marsh herb with pink to mauve flowers; southeastern United States
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Desmodium purpureum, Desmodium tortuosum, beggarweed
West Indian forage plant cultivated in southern United States as forage and to improve soil
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Tephrosia purpurea, bastard indigo
East Indian shrub
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Tephrosia virginiana, catgut, goat's rue, wild sweet pea
perennial subshrub of eastern North America having downy leaves yellowish and rose flowers and; source of rotenone
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Eriogonum allenii, umbrella plant
late blooming perennial plant of shale barrens of Virginia having flowers in flat-topped clusters
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California buckwheat, Erigonum fasciculatum, wild buckwheat
low-growing shrub with spreading branches and flowers in loose heads; desert regions of western United States (California to Utah)
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Geum alleppicum strictum, Geum strictum, yellow avens
erect subshrub with deep yellow flowers; Europe and Asia and North America
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Geum canadense, bennet, white avens
North American white-flowered avens
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Geum macrophyllum, yellow avens
hairy yellow-flowered plant of eastern Asia and North America
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Geum rivale, Indian chocolate, chocolate root, purple avens, water avens
erect perennial of north temperate zone having pinnate leaves and a few nodding flowers with a brown-purple calyx and orange and pink petals
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Geum triflorum, prairie smoke, purple avens
North American perennial with hairy basal pinnate leaves and purple flowers and plume-tipped fruits
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Geum urbanum, clover-root, cloveroot, herb bennet, wood avens
hairy Eurasian plant with small yellow flowers and an astringent root formerly used medicinally
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Geum virginianum, bennet, white avens
avens of Virginia having pale or greenish yellow flowers
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Asperula tinctoria, dyer's woodruff
creeping European perennial having red or pinkish-white flowers and red roots sometimes used as a substitute for madder in dyeing
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American twinflower, Linnaea borealis americana
similar to the twinflower of northern Europe and Asia
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Polygala alba, senega
perennial bushy herb of central and southern United States having white flowers with green centers and often purple crest; similar to Seneca snakeroot
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Polygala lutea, candyweed, orange milkwort, yellow bachelor's button, yellow milkwort
bog plant of pine barrens of southeastern United States having spikes of irregular yellow-orange flowers
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Polygala paucifolia, bird-on-the-wing, flowering wintergreen, fringed polygala, gaywings
common trailing perennial milkwort of eastern North America having leaves like wintergreen and usually rosy-purple flowers with winged sepals
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Polygala senega, Seneca snakeroot, Seneka snakeroot, senega root, senega snakeroot, senga root
eastern North American plant having a terminal cluster of small white flowers and medicinal roots
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Polygala vulgaris, common milkwort, gand flower
small European perennial with numerous branches having racemes of blue, pink or white flowers; formerly reputed to promote human lactation
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Allegheny mountain spurge, Allegheny spurge, Pachysandra procumbens
low semi-evergreen perennial herb having small spikes of white or pinkish flowers; native to southern United States but grown elsewhere
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Japanese spurge, Pachysandra terminalis
slow-growing Japanese evergreen subshrub having terminal spikes of white flowers; grown as a ground cover
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American germander, Teucrium canadense, wood sage
subshrub with serrate leaves and cream-colored to pink or purple flowers in spikelike racemes; North America
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Teucrium chamaedrys, wall germander
European perennial subshrub with red-purple or bright rose flowers with red and white spots
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Teucrium marum, cat thyme, marum
Mediterranean germander having small hairy leaves and reddish purple flowers; attractive to cats
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Teucrium scorodonia, wood sage
European germander with one-sided racemes of yellow flowers; naturalized in North America
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California romero, Trichostema lanatum, black sage, wooly blue curls
an aromatic plant with wooly leaves found in southern California and Mexico
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Trichostema lanceolatum, camphorweed, turpentine camphor weed, vinegarweed
aromatic plant of western United States
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Trichostema dichotomum, bastard pennyroyal
aromatic plant of the eastern United States