Micranthes unalaschcensis

(Sternberg) Gornall & H. Ohba

J. Bot. Res. Inst. Texas 1: 1022. 2007,.

Basionym: Saxifraga unalaschensis Sternberg Revis. Saxifrag., suppl. 2: 9. 1831
Synonyms: Saxifraga calycina subsp. unalaschensis (Sternberg) Hultén Saxifraga davurica var. unalaschensis (Sternberg) Engler
Treatment appears in FNA Volume 8. Treatment on page 60. Mentioned on page 50, 52.

Plants solitary or tufted, with bulbils on caudices or rhizomatous. Leaves basal; petiole flattened, 1–2 cm; blade broadly obovate to round, 1–3.5 cm, ± fleshy, base cuneate, margins distally toothed, sparsely ciliate, surfaces glabrous. Inflorescences 2–10-flowered, open thyrses, racemiform distally, sometimes solitary flowers, 3–15 cm, tangled-hairy. Flowers: sepals reflexed, ovate; petals white to cream or pinkish, not spotted, elliptic to oblong, ± clawed, 3.5–5 mm, longer than sepals; filaments linear, flattened; pistils connate 1/2+ their lengths; ovary at least 1/2 inferior. Capsules dark purple, valvate.


Phenology: Flowering summer.
Habitat: Tundra, flushes, stream banks, slopes
Elevation: 0-600 m

Distribution

V8 107-distribution-map.gif

Alaska, e Asia (Russian Far East).

Discussion

The ovaries and capsules of Micranthes unalaschensis are ovoid, thicker and plumper than those of M. calycina and M. razshivinii, which are conic (E. Hultén 1968).

Selected References

None.

Lower Taxa

None.
... more about "Micranthes unalaschcensis"
Luc Brouillet +  and Patrick E. Elvander† +
(Sternberg) Gornall & H. Ohba +
Saxifraga unalaschensis +
Alaska +  and e Asia (Russian Far East). +
0-600 m +
Tundra, flushes, stream banks, slopes +
Flowering summer. +
J. Bot. Res. Inst. Texas +
Saxifraga calycina subsp. unalaschensis +  and Saxifraga davurica var. unalaschensis +
Micranthes unalaschcensis +
Micranthes +
species +