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Wild parsnip (Pastinaca sativa)

Wild parsnip (Pastinaca sativa)

Description: A biennial herbaceous plant in the carrot family growing 2'-5' in height. Produces a rosette of large, upright leaves in the first year and a somewhat hairy, erect stem in the second year.

Life Cycle: Biennial

Habitat: Wetlands, roadsides, pastures, and in abandoned fields.

Leaf: Alternate, pinnately compound, leaflets are oval to oblong, hairless with saw-toothed edges arranged in pairs along stalk.

Stem: Hairy and grooved, branched in the upper part of the plant.

Flower: Hundreds of small flowers with 5 yellow or white petals borne in terminal umbels, 2"-6" in diameter.

Seed: Large yellow seeds are round, flat and slightly ribbed.

Root: Fleshy taproot

The problem is….wild parsnip invades and modifies open disturbed habitats. Once an infestation begins, it can spread across an area to for dense stands.

Wild parsnip rosette, Bruce Ackerman, OSUE

Wild parsnip young plant, 7059.

Wild parsnip plants, 7578.

Wild parsnip stem, 9369

Wild parsnip stem, 9371.

Wild parsnip flower, 002.

Wild parsnip seeds, 9324.

Wild parsnip roots, 9881.