Potentilla flavovirens

Comprehensive Description

provided by North American Flora
Potentilla flavovirens Rydberg, sp. nov
Annual or biennial, whole plant light-green ; stem strict, 1.5-3 dm. high, densely and softly pubescent, branched above with strongly ascending branches ; basal leaves ternate ; petioles 1-3 cm. long, softly pubescent ; leaflets cuneate-obovate, 5-15 cm. long, coarsely crenate, softly hirsute, and slightly glandular-pruinose ; stem-leaves similar but leaflets more oblong-obovate, often 2 cm. long, scarcely glandular, the upper short-petioled ; stipules ovate-lanceolate, often almost 1 cm. long ; infloresence often corymbiform ; hypanthium hemispheric, softly pubescent, in fruit 4-5 mm. broad ; bractlets lanceolate, about 4 mm. long, nearly equaling the ovate sepals ; petals yellow, ovate, scarcely half as long as the sepals ; stamens about 20 ; pistils very numerous ; styles short and fusiform.
Type collected in the mountains of northern Lower California, in 1885, C. R. Orcutt (herb. Columbia Univ.).
bibliographic citation
Per Axel Rydberg. 1908. ROSACEAE (pars). North American flora. vol 22(4). New York Botanical Garden, New York, NY
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