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Osmorhiza longistylis (Torr.) DC.
Longstyle sweetroot, Aniseroot, Sweet-cicely, Wild licorice
Synonym(s): Osmorhiza aristata var. longistylis, Osmorhiza longistylis var. brachycoma, Osmorhiza longistylis var. imbarbata, Osmorhiza longistylis var. villicaulis, Washingtonia longistylis
USDA Symbol: oslo
USDA Native Status: L48 (N), CAN (N)
The 1-3 ft. stems are usually solitary and covered with long, soft hairs. Leaves are divided into threes, two or three times. Open clusters (compound umbel) of small, white flowers rise above the foliage on stalks from upper leaf axils.
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: Apr , May
, WY Canada: NB
, PE Native Distribution:
Que. to Alt., s. to GA, TX
(more abundant southward) Native Habitat:
Rich, alluvial woods; wooded slopes
Growing ConditionsLight Requirement: Shade
Soil Moisture: Moist
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: 2012-05-02
Research By: TWC Staff