wild parsnip

Pastinaca sativa L.

Description from Invasive.org

Appearance
Pastinaca sativa is a biennial/perennial herb that looks and smells similar to cultivated parsnip and can grow up to 4 ft. (1.2 m) in height.
Foliage
Leaves are alternate, compound and branched with jagged teeth. Leaflets are yellowish-green, shiny, oblong, coarsely-toothed, and diamond-shaped.
Flowers
Flowering occurs from May to June, when hundreds of yellow flowers develop. Flowers are arranged in an umbel.
Fruit
Fruits are dry, smooth, slightly winged and flattened on back. Fruits each contain two seeds, which are dispersed in the fall.
Ecological Threat
Pastinaca sativa is native to Eurasia and occurs in sunny areas with varying degrees of soil moisture. Contact with this plant can cause skin to become photosensitive; exposure to sunlight can cause severe blistering. Be aware, poison hemlock and water hemlock are close in appearance and are often confused with Pastinaca sativa. Poison hemlock has a mouse-like odor while Pastinaca sativa has a parsnip-like odor. Water hemlock prefers wet habitats whereas Pastinaca sativa prefers dry soils.

Resources


Selected Images from Invasive.org

View All Images at Invasive.org


Infestation
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
Flower(s)
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
Plant(s) First year plants.
Chris Evans, University of Illinois, Bugwood.org
Additional Resolutions & Image Usage
Stem(s)
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
Root(s)
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
Fruit(s)
John Cardina, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage
Seed(s)
Bruce Ackley, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

Distribution