Comprehensive Description
(
anglais
)
fourni par North American Flora
Heuchera diversifolia Rydb. sp. nov
Stem usually somewhat produced but short ; flowering branches scapiform, sparingly hirsute, 4-5 dm. high; petioles 1-1.5 dm. long, villous-hirsute with brown hairs; blades variable in shape, those of the earliest cordate, acute, 4-5 cm. wide, 5-6 cm. long, less deeply lobed, with acute lobes and teeth ; blades of the later leaves oval, obtuse at the apex, truncate or cordate at the base, more deeply lobed with rounded lobes, sharply dentate, glabrous above, hirsute beneath, especially on the veins ; inflorescence glandular-puberulent ; bracts linear-subulate ; hypanthium finely pubescent and glandular-puberulent, together with the ovate obtuse sepals about 3 mm. long; petals oblanceolate, white, about twice as long as the sepals.
Type collected on Baldy Peak, Washingrton, by F. H. Lamb, no. 1305.
Distribution : Rocky places to an altitude of 800 meters, from British Columbia to northern California.
- citation bibliographique
- John Kunkel SmaII, Per Axel Rydber, Nathaniel Lord Britton, Percy Wilson, Henry Hurd Rusby. 1905. ROSALES, PODOSTEMONACEAE, CRASSULACEAE, PENTHORACEAE and PARNASSIACEAE. North American flora. vol 22(2). New York Botanical Garden, New York, NY
