Blooms: May-August
Habit: herb
Duration: annual
Origin: Introduced
Distribution: Escaped on both sides of the Cascades in Washington; British Columbia south to Oregon and Idaho; eastern North America and Greenland.
Habitat: Moist areas, usually on disturbed soil.
Habit: herb
Duration: annual
Origin: Introduced
Distribution: Escaped on both sides of the Cascades in Washington; British Columbia south to Oregon and Idaho; eastern North America and Greenland.
Habitat: Moist areas, usually on disturbed soil.
Species Description:
General: Taprooted, leafy-stemmed, branching annual, the stem glabrous and often purple, 5-15 dm. tall.
Leaves: Leaves basal and cauline, with short, stiff hairs, gradually reduced upward, petiolate, the blade 2-3 pinnately dissected with small ultimate segments.
Flowers: Rays 3-6, 1-2.5 cm long; involucre wanting; involucel of a few small bractlets; umbellets with 3-7 flowers, the calyx obsolete, the five petals white; the pedicels short, each with a ring of short, flattened hairs at the summit.
Fruits: Fruit oblong, 4-5 mm. long, beaked, black and smooth.
General: Taprooted, leafy-stemmed, branching annual, the stem glabrous and often purple, 5-15 dm. tall.
Leaves: Leaves basal and cauline, with short, stiff hairs, gradually reduced upward, petiolate, the blade 2-3 pinnately dissected with small ultimate segments.
Flowers: Rays 3-6, 1-2.5 cm long; involucre wanting; involucel of a few small bractlets; umbellets with 3-7 flowers, the calyx obsolete, the five petals white; the pedicels short, each with a ring of short, flattened hairs at the summit.
Fruits: Fruit oblong, 4-5 mm. long, beaked, black and smooth.
Accepted Name:
Anthriscus sylvestris (L.) HoffmannSynonyms:
Chaerophyllum sylvestre L.
Treated in Flora of the PNW as:
Anthriscus sylvestris
Additional Resources:
PNW Herbaria Specimens: View list of Anthriscus sylvestris specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Anthriscus sylvestris specimens in the WTU Herbarium database.
Washington Flora Checklist: Anthriscus sylvestris treatment.
E-Flora BC: Anthriscus sylvestris atlas page.
CalPhotos: Anthriscus sylvestris images.
USDA Plants Database: Anthriscus sylvestris.
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
|
©2013 Burke Museum of Natural History and Culture. All Rights Reserved. Box 353010, University of Washington, Seattle, WA 98195-3010, Phone: 206-543-5590. On the UW campus at 17th Avenue NE and NE 45th Street. |
 WA Native Plant Society |
