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Osmorhiza berteroi DC.
Mountain sweet-cicely, Sweetcicely
Synonym(s): Osmorhiza brevipes, Osmorhiza chilensis, Osmorhiza divaricata, Osmorhiza nuda, Washingtonia divaricata
USDA Symbol: OSBE
Plants 1-3 ft. tall have erect stems clothed with large, finely dissected, ferny leaves. Tall umbels bear tiny white flowers that each become 1 in. long, needle-like fruits.
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: Apr , May , Jun
, WY Canada: NB
, PE Native Distribution:
to s. CA,
e. to s.w. Alt., the Black Hills, CO
& AZ; also Great Lakes region & n. New England Native Habitat:
Thickets, woods & woodland edges
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Moist
Soil pH: Alkaline (pH>7.2)
CaCO3 Tolerance: High
Soil Description: Moist, rich soils.
Conditions Comments: Not Available
PropagationDescription: Sweet cicely is not easy, but not impossible, to start from seeds.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2007-01-01
Research By: TWC Staff