Comprehensive Description
provided by North American Flora
Osmorhiza occidentalis (Nutt.) Torr. Bot. Mex. Bound Surv. 71. 1859.
Glycosma occidentalis Nutt.; T. & G. Fl. N. Am. 1: 639. 1840. Myrrhis Bolanderi A. Gray, Proc. Am. Acad. 7: 346. 1868. Glycosma Bolanderi A. Gray, Proc. Am. Acad. 8: 386. 1872.
Glycosma ambiguum A. Grav, Proc. Am. Acad. 8: 386. 1872.
Osmorhiza occidenlalis var. Bolanderi, Coult. & Rose, Rev. N. Am. Umbell. 119. 1888.
Osmorhiza ambigua Coult. & Rose, Rev. N. Am. Umbell. 119. 1888.
Myrrhis ambigua Greene, Fl. Fran. 332. 1892.
Waskingtonia occidenlalis Coult. & Rose, Contr. U. S. Nat. Herb. 7: 67. 1900.
Washinglonia bolanderi Coult. & Rose, Contr. U. S. Nat. Herb. 7: 68. 1900.
Waskingtonia ambigua Coult. & Rose, Contr. U. S. Nat. Herb. 7: 69. 1900.
Glycosma maxima Rydb. Bull. Torrey Club 40: 67. 1913.
Osmorrhiza Bolanderi Jepson, Madrono 1: 120. 1923.
Plants rather stout, 3-12 dm. high, villous at the nodes and pilosulous to glabrate throughout; leaves oblong or ovate in general outline, excluding the petioles 1-2 dm. long, 6-15 cm. broad, 1-3-ternate or ternate-pinnate, the leaflets oblong-lanceolate to ovate, 2-10 cm. long, 0.5-5 cm. broad, acute or acutish, serrate and usually incised or lobed, the rachis and sheath finely pilosulous or glabrate; petioles 5-30 cm. long; peduncles 6-20 cm. long; involucre usually wanting ; involucel usually wanting; rays 5-12, stiffly ascending to spreading-ascending, 2-13 cm. long; pedicels spreading to ascending, 3-8 mm. long; flowers yellow, the styles about 1 mm. long or less; carpophore cleft one-fourth to one-third of its length; fruit linear-fusiform, 12-20 mm. long, constricted below the apex, obtuse at the base, glabrous or rarely sparsely bristly toward the base.
Type locality: "Western side of the Blue Mountains of Oregon," Nultall.
Distribution: Alberta to Colorado, west to British Columbia and central California (Heller &■
- bibliographic citation
- Albert Charles Smith, Mildred Esther Mathias, Lincoln Constance, Harold William Rickett. 1944-1945. UMBELLALES and CORNALES. North American flora. vol 28B. New York Botanical Garden, New York, NY
Osmorhiza occidentalis: Brief Summary
provided by wikipedia EN
Osmorhiza occidentalis is a species of flowering plant in the family Apiaceae known by the common name western sweet cicely: 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).
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