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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.
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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

Micranthes aprica ( Anglèis )

fornì da wikipedia EN

Micranthes aprica is a species of flowering plant known by the common name Sierra saxifrage. It is native to the high mountains of California, including the Sierra Nevada[1] and the southern Cascade Range, and adjacent slopes in southern Oregon and western Nevada. It grows in mountain habitat in areas of alpine climate, such as meadows and next to streams of snowmelt. It is a perennial herb which spends most of the year in a dormant state in order to save water, and rarely flowers.[2] It produces a small gray-green basal rosette of toothed oval leaves up to about 4 centimeters long. When it does bloom, it sends up an erect inflorescence on a peduncle several centimeters tall topped with a cluster of flowers. Each flower has five sepals, five small white petals, and a clump of whiskery stamens at the center.

Sierra saxifrage, flowers

References

  1. ^ Norman F. Weeden (1996), A Sierra Nevada Flora (4th ed.), Wilderness Press
  2. ^ Jackson, L. E. and L. C. Bliss. (1984). Phenology and water relations of three plant life forms in a dry tree-line meadow. Ecology 65:4 1302-14.

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Micranthes aprica: Brief Summary ( Anglèis )

fornì da wikipedia EN

Micranthes aprica is a species of flowering plant known by the common name Sierra saxifrage. It is native to the high mountains of California, including the Sierra Nevada and the southern Cascade Range, and adjacent slopes in southern Oregon and western Nevada. It grows in mountain habitat in areas of alpine climate, such as meadows and next to streams of snowmelt. It is a perennial herb which spends most of the year in a dormant state in order to save water, and rarely flowers. It produces a small gray-green basal rosette of toothed oval leaves up to about 4 centimeters long. When it does bloom, it sends up an erect inflorescence on a peduncle several centimeters tall topped with a cluster of flowers. Each flower has five sepals, five small white petals, and a clump of whiskery stamens at the center.

Sierra saxifrage, flowers
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cc-by-sa-3.0
drit d'autor
Wikipedia authors and editors
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wikipedia EN