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

goldbloom saxifrage, golden-saxifrage

Habit Plants forming loose mats, (stems trailing), not stoloniferous, rhizomatous. Plants mat-forming, not stoloniferous, slenderly 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.

basal and cauline, (basal crowded, cauline 3–5+);

petiole absent;

blade linear-oblanceolate to narrowly spatulate, unlobed, (2–)3–10(–12) mm, fleshy, margins (recurved), entire, eciliate, sometimes sparsely glandular-ciliate, apex rounded, surfaces glabrous, sometimes sparsely stipitate-glandular.

Inflorescences

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

bracts sessile.

2(–3)-flowered cymes, sometimes solitary flowers, 2–8 cm, sparsely pink- to purple-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 strongly reflexed, oblong to ovate, margins densely glandular-ciliate, sometimes eciliate, surfaces stipitate-glandular;

petals bright golden yellow, sometimes orange-tipped proximally, not spotted, elliptic-oblong to obovate, 4–8 mm, longer than sepals;

ovary superior.

2n

= 26.

Saxifraga vespertina

Saxifraga chrysantha

Phenology Flowering summer. Flowering summer.
Habitat Rocky slopes, ledges, crevices Alpine tundra, wet talus slopes, rocky areas
Elevation 100-1800 m (300-5900 ft) 2700-4500 m (8900-14800 ft)
Distribution
from FNA
OR; WA
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; MT; NM; UT; WY
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 8, p. 142. FNA vol. 8, p. 140.
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. aizoides, S. aleutica, S. bracteata, S. bronchialis, S. cernua, S. cespitosa, S. cherlerioides, 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 Hirculus serpyllifolius subsp. chrysanthus, S. serpyllifolia subsp. chrysantha, S. serpyllifolia var. chrysantha
Name authority (Small) Fedde: Just’s Bot. Jahresber. 33(1): 613. (1906) A. Gray: Proc. Amer. Acad. Arts 12: 83. 1876 ,
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