types:
genus Achillea
perennial often aromatic and sometimes mat-forming herbs of north temperate regions: yarrow; milfoil
Acroclinium,
genus Acroclinium
genus of herbs and shrubs of Australia and South Africa: everlasting flower; most species usually placed in genus Helipterum
genus Ageratum
genus of tropical American herbs grown for their flowers
genus Ambrosia
comprising the ragweeds; in some classification considered the type genus of a separate family Ambrosiaceae
genus Ammobium
small genus of Australian herbs grown for their flowers
genus Andryala
a genus of hardy hairy latex-producing perennials of Mediterranean area
Antennaria,
genus Antennaria
small woolly perennial herbs having small whitish discoid flowers surrounded by a ring of club-shaped bristles
genus Arnica
large genus of herbs of north temperate and Arctic regions
genus Artemisia
usually aromatic shrubs or herbs of north temperate regions and South Africa and western South America: wormwood; sagebrush; mugwort; tarragon
genus Aster
large genus of herbs widely cultivated for their daisylike flowers
Baccharis,
genus Baccharis
shrubs of western hemisphere often having honey-scented flowers followed by silky thistlelike heads of tiny fruits; often used for erosion control
Boltonia,
genus Boltonia
genus of tall leafy perennial herbs of eastern America and eastern Asia having flowers that resemble asters
Brickellia,
genus Brickelia
genus of herbs of southwestern America having usually creamy florets followed by one-seeded fruits in a prominent bristly sheath
Cacalia,
genus Cacalia
genus of tall smooth herbs of forested mountains of Europe and Asia minor; in some classifications includes many plants usually placed in genus Emilia
genus Chrysanthemum
in some classifications many plants usually assigned to the genus Chrysanthemum have been divided among other genera: e.g. Argyranthemum; Dendranthema; Leucanthemum; Tanacetum
genus Coreopsis
genus of American plants widely cultivated for their flowers
genus Cosmos
genus of tropical American plants cultivated for their colorful flowers
Cotula,
genus Cotula
cosmopolitan herbs especially southern hemisphere; many used as ground covers
genus Dahlia
genus of perennial tuberous plants of Mexico and Central America
genus Erechtites
coarse herbs with whitish discoid flower heads and silky pappus
Erigeron,
genus Erigeron
cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally
genus Gazania
genus of tomentose tropical African herbs with milky sap
Haplopappus,
genus Haplopappus
genus of North and South American perennial herbs or shrubs with yellow flowers; in some classifications include species placed in other genera especially Hazardia
Hazardia,
genus Hazardia
small genus of shrubs and subshrubs of western United States having flowers that change color as they mature
genus Helianthus
genus of tall erect or branched American annual or perennial herbs with showy flowers: sunflowers
Helichrysum,
genus Helichrysum
large genus of mostly African and Australian herbs and shrubs: everlasting flowers; in some classifications includes genus Ozothamnus
Helipterum,
genus Helipterum
genus of South African and Australian herbs or shrubs grown as everlastings; the various Helipterum species are currently in process of being assigned to other genera especially genera Pteropogon and Hyalosperma
Hieracium,
genus Hieracium
large genus of perennial hairy herbs of Europe to western Asia to northwestern Africa and North America; few are ornamental; often considered congeneric with Pilosella
Homogyne,
genus Homogyne
small genus of low perennial herbs of montane Europe; in some classifications included in genus Tussilago
Hulsea,
genus Hulsea
small genus of erect balsam-scented herbs; Pacific coast of the northwestern United States
genus Inula
genus of Old World herbs or subshrubs: elecampane
genus Iva
small genus of American herbs or shrubs; in some classifications placed in a separate family Ambrosiaceae
genus Krigia
small herbs closely related to chicory: dwarf dandelions
Lagenophera,
genus Lagenophera
small genus of herbs of Australia and South America having small solitary white or purple flowers similar to true daisies of genus Bellis
Layia,
genus Layia
genus of western United States annuals with showy yellow or white flowers
Madia,
genus Madia
genus of sticky herbs with yellow flowers open in morning or evening but closed in bright light
Matricaria,
genus Matricaria
chiefly Old World strong-smelling weedy herbs; comprises plants sometimes included in other genera: e.g. Tanacetum; Tripleurospermum
genus Mutisia
genus of South American shrubs or lianas having large flower heads with feathery pappuses
Nabalus,
genus Nabalus
genus of North American and east Asian perennial herbs; sometimes included in genus Prenanthes
Olearia,
genus Olearia
large genus of Australian evergreen shrubs or small trees with large daisylike flowers
Packera,
genus Packera
genus of American of east Asian perennial herbs with yellow to orange or red flower rays; sometimes included in genus Senecio
Picris,
genus Picris
genus of weedy Old World yellow-flowered herbs usually containing a bitter-tasting substance: bitterweed
Pilosella,
genus Pilosella
genus of hairy perennial herbs with horizontal rhizomes and leafy or underground stolons; Eurasia and North Africa; often considered congeneric with Hieracium
Piqueria,
genus Piqueria
small genus of tropical American perennial herbs or subshrubs with white to pale yellow flowers; often included in genus Stevia
Prenanthes,
genus Prenanthes
genus of North American and Asiatic perennial herbs having pinnatisect leaves small heads of drooping yellowish to purple flowers; sometimes includes species often placed in genus Nabalus
genus Pteropogon
genus of Australian and South African herbs including some from genus Helipterum
Pyrethrum,
genus Pyrethrum
used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum
Raoulia,
genus Raoulia
genus of low-growing mat-forming New Zealand plants; in some classifications includes species placed in genus Haastia
Ratibida,
genus Ratibida
genus of perennial wildflowers of North American plains and prairies; often cultivated for their showy flower heads
genus Rhodanthe
genus of xerophytic herbs and shrubs of South Africa and Australia; sometimes included in genus Helipterum
Senecio,
genus Senecio
enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds
Seriphidium,
genus Seriphidium
woody plants grown chiefly for their silver or grey and often aromatic foliage; formerly included in the genus Artemisia
genus Stevia
genus of shrubs and herbs of tropical and warm Americas
Tanacetum,
genus Tanacetum
a large genus of plants resembling chrysanthemums; comprises some plants often included in other genera especially genus Chrysanthemum
genus Tithonia
genus of robust herbs of Mexico and Central America: Mexican sunflower
Tussilago,
genus Tussilago
genus of low creeping yellow-flowered perennial herbs of north temperate regions: coltsfoots; in some classifications includes species often placed in other genera especially Homogyne and Petasites
genus Ursinia
genus of South African herbs and shrubs cultivated as ornamentals
Verbesina,
genus Verbesina
herbs and shrubs of warm North America to Mexico; includes plants formerly placed in genus Actinomeris
genus Vernonia
genus of New World tropical herbs or shrubs with terminal cymose heads of tubular flowers
genus Wyethia
coarse leafy perennial plants resembling sunflowers found especially in the western United States
Xanthium,
genus Xanthium
coarse herbs having small heads of greenish flowers followed by burrs with hooked bristles
genus Xeranthemum
genus of annual densely hairy herbs of Mediterranean to southwestern Asia
genus Zinnia
genus of annual or perennial plants of tropical America having solitary heads of brightly colored flowers
Rubia,
genus Rubia
type genus of the Rubiaceae; Old World herbs and subshrubs grown for their medicinal properties and for dye substances extracted from their roots
genus Gardenia
large genus of attractive Old World tropical shrubs and small trees
genus Genipa
tropical American evergreen trees or shrubs bearing yellow flowers and succulent edible fruit with a thick rind
Nauclea,
genus Nauclea
small genus of evergreen tropical shrubs or trees with smooth leathery leaves
Pinckneya,
genus Pinckneya
small genus of shrubs or small trees of southeastern United States and northern South America
genus Scabiosa
annual or perennial herbs or subshrubs; mainly Mediterranean
genus Catalpa
a dicotyledonous genus of plants belonging to the family Bignoniaceae; has large flowers (white or mottled) and long terete pods
Crescentia,
genus Crescentia
a genus of tropical American trees of the family Bignoniaceae; has a short trunk and crooked limbs and drooping branches
genus Gesneria
large genus of tropical American herbs having showy tubular flowers
genus Episcia
genus of tropical American herbs having soft hairy foliage
genus Gloxinia
small genus of tropical American herbs with leafy stems and axillary flowers
genus Nemophila
genus of ornamental chiefly California herbs: baby blue-eyes
genus Phacelia
American herbs with usually pinnatifid leaves and blue or purple or white flowers in scorpioid cymes
Ballota,
genus Ballota
perennial herbs or subshrubs of especially Mediterranean area: black horehound
genus Coleus
genus of Old World tropical plants cultivated for their variegated leaves; various plants sometimes placed in genera Plectranthus or Solenostemon
genus Phlomis
large genus of Old World aromatic herbs or subshrubs or shrubs having often woolly leaves
genus Plectranthus
large genus of ornamental flowering plants; includes some plants often placed in the genus Coleus
Prunella,
genus Prunella
small genus of perennial mostly Eurasian having terminal spikes of small purplish or white flowers
genus Salvia
large genus of shrubs and subshrubs of the mint family varying greatly in habit: sage
Solenostemon,
genus Solenostemon
genus of shrubby often succulent herbs of tropical Africa and Asia; includes some plants often placed in genus Coleus
Stachys,
genus Stachys
large genus of usually woolly or hairy herbs or subshrubs or shrubs; temperate eastern hemisphere; tropical Australasia
Teucrium,
genus Teucrium
large widely distributed genus of perennial herbs or shrubs or subshrubs; native to Mediterranean region to western Asia
Aureolaria,
genus Aureolaria
small genus of North American herbs often root-parasitic and bearing golden-yellow flowers; sometimes placed in genus Gerardia
genus Calceolaria
large genus of tropical American herbs and shrubs with showy cymose flowers
genus Digitalis
genus of Eurasian herbs having alternate leaves and racemes of showy bell-shaped flowers
genus Gerardia
genus of annual or perennial herbs with showy pink or purple or yellow flowers; plants often assigned to genera Aureolaria or Agalinis
Agalinis,
genus Agalinis
semiparasitic herb with purple or white or pink flowers; grows in the United States and West Indies
Penstemon,
genus Penstemon
large genus of subshrubs or herbs having showy blue or purple or red or yellow or white flowers; mostly western North America
genus Veronica
widespread genus of herbs with pink or white or blue or purple flowers: speedwell
Capsicum,
genus Capsicum
chiefly tropical perennial shrubby plants having many-seeded fruits: sweet and hot peppers
Lycium,
genus Lycium
deciduous and evergreen shrubs often spiny; cosmopolitan in temperate and subtropical regions
genus Nierembergia
genus of tropical American erect or creeping herbs with solitary flowers
genus Verbena
type genus of the Verbenaceae; genus of herbaceous perennials and subshrubs