Comprehensive Description
provided by North American Flora
Horkelia hirsuta Lindl. Bot. Reg23 : sxh pL 1997, 1837
Horkelia congesta T. & G. Fl. N. Am. 1 : 434. 1840. Noti/. congesta Hook. 1829. Horkelia pilosa Nutt.; T. & G. Fl, N. Am. 1 : 434, as synonym. 1840.
Perennial, with a short scaly and very hirsute caudex ; stems about 3 dm. high, strict and simple, somewhat striate, hirsute with long spreading hairs, a little glandular above ; stipules pectinately divided into linear segments, those of the basal leaves very finely dissected and very hairy ; basal leaves numerous, pinnate, sparingly silky-pubescent, the rachis long-hirsute ; leaflets 5-9 pairs, cuneate or oblong-cuneate, 1-2 cm. long, 3-5-toothed at the apex, with oblong acute teeth; stem-leaves similar but with nearly linear leaflets ; cyme very dense and flowers subsessile ; hypanthium cupulate, about half as deep as wide, about 5 mm. in diameter, silky-hirsute; bractlets linear, nearly filiform, a little shorter than the lanceolate or ovatetriangular sepals, which are about 3 mm. long; petals white, broadly spatulate or obovate, a little exceeding the sepals.
Type locality : California.
Distribution : Oregon and northern California.
- bibliographic citation
- Frederick Vernon Coville, Nathaniel Lord Britton, Henry Allan Gleason, John Kunkel Small, Charles Louis Pollard, Per Axel Rydberg. 1908. GROSSULARIACEAE, PLATANACEAE, CROSSOSOMATACEAE, CONNARACEAE, CALYCANTHACEAE, and ROSACEAE (pars). North American flora. vol 22(3). New York Botanical Garden, New York, NY
