Micranthes stellaris

(Linnaeus) Galasso

Atti Soc. Ital. Sci. Nat. Mus. Civico Storia Nat. Milano 146: 231. 2005,.

Common names: Starry saxifrage saxifrage étoilée
Basionym: Saxifraga stellaris Linnaeus Sp. Pl. 1: 400. 1753
Treatment appears in FNA Volume 8. Treatment on page 57. Mentioned on page 49, 50, 53.

Plants tufted or mat-forming, with ± branched caudices or stolonlike rhizomes. Leaves basal; petiole ± absent; blade obovate to elliptic, 1–5 cm, ± fleshy, base cuneate, margins 1–3-toothed in distal 1/2, ciliate, surfaces hairy. Inflorescences 2–10-flowered, open, lax cymes, sometimes solitary flowers, (all or some flowers replaced with bulbils, bulbils sometimes absent), 5–20 cm, sparsely to moderately purple-tipped stipitate-glandular. Flowers: sepals reflexed, narrowly elliptic to lanceolate; petals white, each with 1–2 basal yellow spots, lanceolate, clawed, 3–8 mm (2 often slightly larger), longer than sepals; filaments linear, flattened; pistils connate 1/2+ their lengths; ovary superior, (to 1/3 adnate to hypanthium). Capsules green to purple, valvate. 2n = 28.


Phenology: Flowering summer.
Habitat: Mossy tundra near streams, rocky, gravelly seepage areas
Elevation: 0-500 m

Distribution

V8 99-distribution-map.gif

Greenland, Nfld. and Labr. (Labr.), Nunavut, Que., Europe.

Discussion

Micranthes stellaris is amphi-Atlantic. In Nunavut, it is known only from Baffin Island.

Selected References

None.

Lower Taxa

None.
... more about "Micranthes stellaris"
Luc Brouillet +  and Patrick E. Elvander† +
(Linnaeus) Galasso +
Saxifraga stellaris +
Starry saxifrage +  and saxifrage étoilée +
Greenland +, Nfld. and Labr. (Labr.) +, Nunavut +, Que. +  and Europe. +
0-500 m +
Mossy tundra near streams, rocky, gravelly seepage areas +
Flowering summer. +
Atti Soc. Ital. Sci. Nat. Mus. Civico Storia Nat. Milano +
Micranthes stellaris +
Micranthes +
species +