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Matted saxifrage, saxifraga vespertina, spotted saxifrage, yellow dot saxifrage

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

Habit Plants forming loose mats, (stems trailing), not stoloniferous, rhizomatous. Plants loosely mat- or cushion-forming (stems mostly prostrate), not stoloniferous, rhizomatous.
Leaves

cauline (crowded proximally);

petiole absent;

blade spatulate, unlobed or minutely 3-toothed or -lobed apically, 4–11 mm, leathery, margins entire, (not cartilaginous), stiffly ciliate, apex rounded or obtuse, mucronate, surfaces glabrous.

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

3–6-flowered cymes, 2.5–12 cm, pink- to purple-tipped stipitate-glandular;

bracts sessile.

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

bracts sessile.

Flowers

sepals erect, ovate to oblong, margins sparsely ciliate, surfaces glabrous;

petals white to cream, yellow-spotted proximally, red- or orange-spotted distally, these often faded in dried specimens, elliptic, 4–6 mm, much longer than sepals;

ovary superior.

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.

= 26.

Saxifraga vespertina

Saxifraga aizoides

Phenology Flowering summer. Flowering early spring–early autumn.
Habitat Rocky slopes, ledges, crevices Rocky, often calcareous seepage areas, stream banks, silty flats, gravel bars and beach ridges, crevices, arctic tundra, enriched sites
Elevation 100-1800 m (300-5900 ft) 0-2000[-3000] m (0-6600[-9800] ft)
Distribution
from FNA
OR; WA
[WildflowerSearch map]
[BONAP county map]
from FNA
AK; MI; NY; VT; AB; BC; MB; NL; NS; NT; NU; ON; QC; YT; Greenland; Europe
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 8, p. 142. FNA vol. 8, p. 137.
Parent taxa Saxifragaceae > Saxifraga Saxifragaceae > Saxifraga
Sibling taxa
S. adscendens, S. aizoides, 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. 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
Synonyms Leptasea vespertina, S. bronchialis subsp. vespertina, S. bronchialis var. vespertina
Name authority (Small) Fedde: Just’s Bot. Jahresber. 33(1): 613. (1906) Linnaeus: Sp. Pl. 1: 403. 1753 ,
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