dcsimg
Image of American silvertop
Creatures » » Plants » » Dicotyledons » » Umbellifers »

American Silvertop

Angelica leiocarpa (Mathias)

Comprehensive Description

provided by North American Flora
Glehnia leiocarpa Mathias, Ann. Mo. Bot. Gard. 15: 95. 1928
Cymopterus ? littoralis A. Gray, Mem. Am. Acad. II. 6: 391, 428, as to American specimens. 1859.
(Nomen nudum.) Glehnia littoralis of American authors, not G. littoralis F. Schmidt, 1867. Phellopterus littoralis of American authors, not P. littoralis Benth. 1867.
Plants low, prostrate or spreading; leaves broadly ovate in general outline, excluding the petioles 2.5-15 cm. long, the leaflets 5-50 mm. long, 4-30 mm. broad, rounded to acute at the apex, hirtellous on the rachis and nerves above, mostly densely tomentose beneath; petioles 2.5-14 cm. long, hirtellous; inflorescence densely villous; peduncles sometimes branched, usually shorter than the leaves; umbel globose to spreading; rays 5-13, 5-45 mm. long; fruit 4-12 mm. long, essentially glabrous, the lateral wings sometimes broader than the dorsal.
Type locality: "Sandy shores.'Shoal Water Bay, Washington Territory," J. G. Cooper.
Distribution: On sandy sea-coasts from Alaska to Mendocino County, California {Abrams 6140, Zeller if Zeller 963, Mathias 773).
license
cc-by-nc-sa-3.0
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
original
visit source
partner site
North American Flora