Comprehensive Description
provided by North American Flora
Horkeliella purpurascens (S. Wats.) Rydberg
Horkelia purpurascens S. Wats. Proc. Am. Acad. 11 : 148. 1876. Potentilla purpurascens Greene, Pittonia 1 : 105. 1887.
Perennial, with a deep woody root, and short erect caudex covered with brown scales ; stem strict, 1-2 dm. high, densely but finely hirsute ; stipules ovate, entire, 3-4 mm. long; basal leaves numerous, less than 1 dm. long, densely hirsute, pinnate, with about 20 pairs of rather thick crowded leaflets, which are only 2-4 mm. long and divided almost to the base into 2-4 oval segments ; cyme narrow with upright branches ; hypanthium hirsute, cupulate or nearly campanulate ; bractlets linear, about half as long as the lanceolate sepals, which are 3-4 mm. long; petals oblong to strap-shaped, emargina4:e, slightly exceeding the sepals.
Type locality : Headwaters of Kern River, California. Distribution ■: Known only from the type locality.
- 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
