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Heart Leaf Pseudosaxifrage

Micranthes nelsoniana (D. Don) Small

Comprehensive Description

provided by North American Flora
Micranthes nelsoniana (D. Don) Small
Saxifraga Nelsoniana D. Don, Trans. I,inn. Soc. 13 : 355. 1822.
Leaves erect or ascending, 3-14 cm. long; blades suborbicular to reniform, 2-4.5 cm. in diameter, deeply cordate at the base, usually sparingly pubescent on both sides, coarsely few-toothed with crenate gland-tipped teeth, shorter than the more copiously pubescent, often villous petioles ; scapes erect or ascending, 4-17 cm. tall, glandular-villous especially above, terminating in a compact head usually with purple or purplish bracts ; sepals ovate to oblong-ovate, 1.5-2 mm. long, ciliate ; petals white, broadly oblong to ovate, 3-4.5 mm. long, rounded at the apex, mostly narrowed into short claw-like bases ; filaments broadly clavate ; follicles not seen.
Type locality : Cape Newnham, coast of northwestern North America. Distribution : Alaska and adjacent islands to British Columbia.
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
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