Comprehensive Description
(
Anglèis
)
fornì da North American Flora
Micranthes aprica (Greene) Small
Saxifraga umbellulaia Greene, Erythea 1 : 222. 1893. Not 5. umbellulaia Hook. & Thorns. 1857. Saxifraga aprica Greene, Bull. Torrey Club 23 : 25. 1896.
Leaves ascending or somewhat spreading, 1-5 cm. long, the blades spatulate, oblong or ovate, undulate, sinuate-crenate or shallowly crenulate, bright-green above, usually purplish beneath, cuneately or more abruptly narrowed into petiole-like bases ; scapes slender, erect, 4-15 cm. tall, purplish, obscurely and sparingly glandular-pubescent; cymules mainlv or wholly aggregated into a terminal head or umbel-like cluster, the peduncles and pedicels very short ; sepals ovate, often broadly so ; petals obovate or oblongobovate, 1.5-2 mm, long, longer than the sepals, each narrowed into a claw-like base ; filaments subulate ; follicles 3.5-4.5 mm. high, purple or purplish, the slender tips spreading.
Type locality : Above Donner Lake, California. Distribution : Mountains of eastern and northern California.
- sitassion bibliogràfica
- 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
