Osmorhiza occidentalis is a species of flowering plant in the family Apiaceae known by the common name western sweet cicely[1]: 110 or western sweetroot.
It is native to western North America, including the Northwestern United States and California. It grows in moist wooded and forested areas, most commonly in montane forests between 1,200–3,000 metres (3,900–9,800 ft).[2][3]
Description
Osmorhiza occidentalis is an erect perennial herb up sometimes exceeding 1 metre (3.3 ft) tall.[4][5]
The green leaves have blades up to 20 centimeters long which are divided into toothed and irregularly cut leaflets. The blade is borne on a long petiole.[4][5]
The inflorescence is a compound umbel of many tiny yellowish flowers at the tip of a stemlike peduncle. The fruit is elongated and narrow, up to 2.2 centimeters long.[4][5]
^"Osmorhiza occidentalis". PLANTS Database. United States Department of Agriculture; Natural Resources Conservation Service. 2015. Retrieved 2015-01-24.
^ abcKlinkenberg, Brian, ed. (2014). "Osmorhiza occidentalis". E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. Retrieved 2015-01-24.
^ abcGiblin, David, ed. (2015). "Osmorhiza occidentalis". WTU Herbarium Image Collection. Burke Museum, University of Washington. Retrieved 2024-02-07.