Comprehensive Description
(
Anglèis
)
fornì da North American Flora
Horkelia kelloggii Greene, Bull. Calif. Acad. 2 : 416. ^ 1887
Horkelia califomica sericea A. Gray, Proc. Am. Acad. 6 : 529. 1865. Potentilla Kelloggii Greene, Pittonia 1 : 101. 1887. Ho^. Poteniilla califomica sericea K. Brand. Zee 2 : 349. 1892. Horkelia sericea Rydb. Bull. Torrey Club 25 : 56. 1898.
Perennial, with a rootstock and short woody caudex; stem stout, 3-6 dm. high, ascending, or rarely nearly prostrate, silky-pubescent, not glandular ; stipules ovate or lanceolate, 1-2 cm. long, often toothed ; basal leaves numerous, rather short-petioled, pinnate ; leaflets 4-7 pairs, rather thick and with prominent veins, densely and finely silky-pubescent, obovate, 1-2.5 cm. long, coarsely toothed, the upper confluent ; stem-leaves similar but smaller, with 2-5 pairs of leaflets ; cyme rather dense ; hypanthium densely silky-can escent, cupulate, about twice as wide as deep ; bractlets and sepals entire, ovate or lance-ovate, of nearly the same length, 5-6 mm. long, acute; petals white, spatulate, 5-6 mm. long, rounded at the
Type locality : Oakland, near San Francisco, California. Distribution : Central and southern California, near the coast.
- sitassion bibliogràfica
- 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