Difference between revisions of "Micranthes tempestiva"

(Elvander & Denton) Brouillet & Gornall

J. Bot. Res. Inst. Texas 1: 1021. 2007 ,.

Common names: Storm saxifrage
Basionym: Saxifraga tempestiva Elvander & Denton Madroño 23: 346, figs. 1, 3A. 1976
Treatment appears in FNA Volume 8. Treatment on page 69. Mentioned on page 49, 51, 70.
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Latest revision as of 23:41, 5 November 2020

Plants solitary or in groups, with bulbils on caudices. Leaves basal; petiole indistinct (leaves appearing sessile), flattened, 2–8+ mm; blade oblanceolate to obovate, 4–10(–30) mm, fleshy, base cuneate to attenuate, margins entire or minutely denticulate, eciliate, (apex acute to obtuse or rounded), surfaces ± glabrous; (venation pinnate or palmate). Inflorescences 5–15(–20)-flowered, congested thyrses, 3–10(–15) cm, glabrous or sparsely purple-tipped stipitate-glandular. Flowers: sepals spreading, ovate; petals white, not spotted, linear to obovate, clawed, to 1.5 mm, shorter than sepals; filaments linear, flattened; pistils connate to 1/2 their lengths; ovary inferior. Capsules reddish purple, valvate. 2n = 10.


Phenology: Flowering summer.
Habitat: Rocky ledges, slopes, or snow-bed meadows
Elevation: 2400-3200 m

Discussion

Of conservation concern.

Micranthes tempestiva is known only from the Bitterroot Mountains and Anaconda Range.

Selected References

None.

Lower Taxa

None.