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evergreen or yellow mountain saxifrage, evergreen saxifrage, saxifrage jaune, yellow mountain saxifrage, yellow saxifrage

Habit Plants loosely mat- or cushion-forming (stems mostly prostrate), not stoloniferous, rhizomatous. Plants loosely mat-forming, (stems trailing), not stoloniferous, rhizomatous, with caudex.
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.

cauline (crowded proximally);

petiole absent;

blade spatulate, unlobed, 2–7 mm, leathery, margins entire, densely glandular-ciliate, apex rounded or obtuse, not or short-mucronate, surfaces glabrous.

Inflorescences

2–15-flowered cymes or thyrses, sometimes solitary flowers, 2–15[–20] cm, glabrous or clear-tipped stipitate-glandular;

bracts sessile.

3–6-flowered cymes, 2–6.5 cm, pink- to purple-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.

sepals erect to ascending, ovate to oblong, margins eciliate or glandular-ciliate, surfaces glabrous;

petals white to cream, yellow-spotted, sometimes sparsely red-spotted proximally, elliptic to obovate, 3–4 mm, longer than sepals;

ovary superior.

2n

= 26.

= 26.

Saxifraga aizoides

Saxifraga cherlerioides

Phenology Flowering early spring–early autumn. Flowering summer.
Habitat Rocky, often calcareous seepage areas, stream banks, silty flats, gravel bars and beach ridges, crevices, arctic tundra, enriched sites Rocky slopes and ledges, gravelly flats
Elevation 0-2000[-3000] m (0-6600[-9800] ft) 0-800 m (0-2600 ft)
Distribution
from FNA
AK; MI; NY; VT; AB; BC; MB; NL; NS; NT; NU; ON; QC; YT; Greenland; Europe
[WildflowerSearch map]
[BONAP county map]
from FNA
AK; Asia (Kamchatka, Siberia)
[BONAP county map]
Source FNA vol. 8, p. 137. FNA vol. 8, p. 142.
Parent taxa Saxifragaceae > Saxifraga Saxifragaceae > Saxifraga
Sibling taxa
S. adscendens, S. aleutica, S. bracteata, S. bronchialis, S. cernua, S. cespitosa, S. cherlerioides, S. chrysantha, S. debilis, S. eschscholtzii, S. flagellaris, S. hirculus, S. hyperborea, S. mertensiana, S. nathorstii, S. oppositifolia, S. paniculata, S. radiata, S. rivularis, S. serpyllifolia, S. taylorii, S. tricuspidata, S. tridactylites, S. vespertina
S. adscendens, S. aizoides, S. aleutica, S. bracteata, S. bronchialis, S. cernua, S. cespitosa, S. chrysantha, S. debilis, S. eschscholtzii, S. flagellaris, S. hirculus, S. hyperborea, S. mertensiana, S. nathorstii, S. oppositifolia, S. paniculata, S. radiata, S. rivularis, S. serpyllifolia, S. taylorii, S. tricuspidata, S. tridactylites, S. vespertina
Synonyms S. bronchialis subsp. cherlerioides, S. bronchialis var. cherlerioides
Name authority Linnaeus: Sp. Pl. 1: 403. 1753 , D. Don: Trans. Linn. Soc. London 13: 382. (1822)
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