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FNA | Family List | FNA Vol. 8 | Saxifragaceae | Saxifraga

3. Saxifraga aizoides Linnaeus, Sp. Pl. 1: 403. 1753.

Evergreen or yellow mountain saxifrage, saxifrage jaune

Plants loosely mat- or cushion-forming (stems mostly prostrate), not stoloniferous, rhizomatous. Leaves cauline; petiole absent; blade linear to narrowly oblong, unlobed [with 2 toothlike lobes distally], 3-22 mm, succulent, margins entire, spinose-ciliate, sometimes eciliate, with 1(-5) lime-secreting hydathodes (not sunk in pits, secretions not obvious), apex obtuse or apiculate, surfaces glabrous. Inflorescences 2-15-flowered cymes or thyrses, sometimes solitary flowers, 2-15[-20] cm, glabrous or clear-tipped stipitate-glandular; bracts sessile. Flowers: sepals spreading, triangular, margins eciliate, surfaces glabrous; petals yellow to orange, sometimes orange-spotted, elliptic, 3-7 mm, ± equaling or exceeding sepals; ovary 1/2 inferior. 2n = 26.

Flowering early spring-early autumn. Rocky, often calcareous seepage areas, stream banks, silty flats, gravel bars and beach ridges, crevices, arctic tundra, enriched sites; 0-2000[-3000] m; Greenland; Alta., B.C., Man., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Yukon; Alaska, Mich., N.Y., Vt.; Europe.


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