Comprehensive Description
provided by North American Flora
Heuchera nuttallii Rydb. sp. nov
Heuchera micranlha ^ T. & G. Fl. N. Am. 1 : 579. 1840.
Flowering branches 3-5 dm. high, glabrous or with a few scattered hairs, few-leaved or scapiform ; petioles of basal leaves 5-12 cm. long, glabrous or sparingly hirsute ; blades roundedcordate, about as long as broad, 3-7 cm. long, perfectly glabrous, except the ciliate-tipped teeth ; inflorescence glandular-puberulent ; bracts linear, the lower sometimes toothed ; hypanthium sparingly pubescent, together with the ovate obtuse sepals 2.5-3 mm. long ; petals linear-oblanceolate.
Type collected among rocks on the Oregon, near the mouth of the Willamette, by Thomas
Nuttall.
Distribution : Among rocks and in canons, Washington and Oregon.
- bibliographic citation
- 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
