Saxifraga vespertina |
Saxifraga chrysantha |
|
---|---|---|
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 |
OR; WA
|
CO; MT; NM; UT; WY
|
Source | FNA vol. 8, p. 142. | FNA vol. 8, p. 140. |
Parent taxa | Saxifragaceae > Saxifraga | Saxifragaceae > Saxifraga |
Sibling taxa | ||
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 , |
Web links |