Difference between revisions of "Micranthes subapetala"

(E. E. Nelson) Small

in N. L. Britton et al., N. Amer. Fl. 22: 139. 1905 ,.

Common names: Yellowstone saxifrage
Basionym: Saxifraga subapetala E. E. Nelson Erythea 7: 169. 1899
Synonyms: Saxifraga oregana var. subapetala (E. E. Nelson) C. L. Hitchcock Saxifraga rydbergii Small ex Rydberg
Treatment appears in FNA Volume 8. Treatment on page 66. Mentioned on page 49, 51, 65, 67.
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|species=Micranthes subapetala

Latest revision as of 22:41, 5 November 2020

Plants solitary or in clumps, with bulbils on caudices. Leaves basal; petiole usually indistinct, flattened, ca. 2 cm; blade ovate or elliptic to oblanceolate, 3–15 cm, fleshy, base cuneate, margins entire or minutely denticulate, ciliate, surfaces hairy. Inflorescences 30+-flowered, ± constricted (spikelike) to ± open thyrses, 20–75 cm, yellow- to pink- (rarely purplish-) tipped stipitate-glandular. Flowers: sepals reflexed, ovate; petals absent, sometimes 1–5, pink to purplish, not spotted, elliptic, clawed, 1–2 mm, shorter than sepals; filaments linear, flattened; pistils connate to 1/2 their lengths; ovary inferior. Capsules dark purple, valvate. 2n = 76.


Phenology: Flowering summer.
Habitat: Subalpine and alpine meadows, wet banks, ledges
Elevation: 1200-3000 m

Discussion

Although the species is usually distinctive, some populations of Micranthes subapetala in northern Wyoming appear more similar to M. hieraciifolia than to typical M. subapetala and may need to be re-evaluated. The distributional disjunction between the two taxa is about 1600 kilometers.

Selected References

None.

Lower Taxa

None.
... more about "Micranthes subapetala"
Luc Brouillet +  and Patrick E. Elvander† +
(E. E. Nelson) Small +
Saxifraga subapetala +
Yellowstone saxifrage +
Idaho +, Mont. +  and Wyo. +
1200-3000 m +
Subalpine and alpine meadows, wet banks, ledges +
Flowering summer. +
in N. L. Britton et al., N. Amer. Fl. +
Saxifraga oregana var. subapetala +  and Saxifraga rydbergii +
Micranthes subapetala +
Micranthes +
species +