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''Osmorhiza occidentalis'' is a species of flowering plant in the carrot family known by the common name western sweet cicely〔Great Basin Wildflowers, Laird R. Blackwell, 2006, Morris Book Publishing LLC., ISBN 0-7627-3805-7〕 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 . ==Description== ''Osmorhiza occidentalis'' is an erect perennial herb up sometimes exceeding tall. 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.〔〔 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.〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Osmorhiza occidentalis」の詳細全文を読む スポンサード リンク
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