polemonium

Types:

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Greek valerian, Jacob's ladder, Polemonium caeruleum, Polemonium van-bruntiae, Polymonium caeruleum van-bruntiae, charity

pinnate-leaved European perennial having bright blue or white flowers

Greek valerian, Polemonium reptans

erect or spreading perennial of the eastern United States

Polemonium boreale, northern Jacob's ladder

perennial erect herb with white flowers; circumboreal

Polemonium viscosum, skunk-weed, skunkweed

tall herb of the Rocky Mountains having sticky leaves and an offensive smell

Type of:

herb, herbaceous plant

a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests