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saxifrage étoilée, starry saxifrage

Habit 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.

Micranthes stellaris

Phenology Flowering summer.
Habitat Mossy tundra near streams, rocky, gravelly seepage areas
Elevation 0-500 m (0-1600 ft)
Distribution
from FNA
LB; NU; QC; Greenland; Europe
[BONAP county map]
Discussion

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

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 8, p. 57.
Parent taxa Saxifragaceae > Micranthes
Sibling taxa
M. apetala, M. aprica, M. bryophora, M. californica, M. calycina, M. careyana, M. caroliniana, M. eriophora, M. ferruginea, M. foliolosa, M. fragosa, M. gaspensis, M. gormanii, M. hieraciifolia, M. hitchcockiana, M. howellii, M. idahoensis, M. integrifolia, M. lyallii, M. marshallii, M. micranthidifolia, M. nelsoniana, M. nidifica, M. nivalis, M. nudicaulis, M. occidentalis, M. odontoloma, M. oregana, M. palmeri, M. pensylvanica, M. petiolaris, M. razshivinii, M. reflexa, M. rhomboidea, M. rufidula, M. spicata, M. subapetala, M. tempestiva, M. tenuis, M. texana, M. tischii, M. tolmiei, M. unalaschcensis, M. virginiensis
Synonyms Saxifraga stellaris
Name authority (Linnaeus) Galasso: Atti Soc. Ital. Sci. Nat. Mus. Civico Storia Nat. Milano 146: 231. (2005)
Web links