Saxifraga vespertina |
Saxifraga radiata |
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Matted saxifrage, saxifraga vespertina, spotted saxifrage, yellow dot saxifrage |
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Habit | Plants forming loose mats, (stems trailing), not stoloniferous, rhizomatous. | Plants in tufts, not stoloniferous, weakly rhizomatous (with bulbils at leaf bases). |
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 ephemeral); petiole flattened, 5–15 mm; blade reniform, 5–7-lobed usually more than halfway to midvein (cauline less-lobed distally), 5–20 mm, thin to slightly fleshy, margins entire, eciliate, apex obtuse to acute, surfaces glabrous or glabrate to ± long-hairy. |
Inflorescences | 3–6-flowered cymes, 2.5–12 cm, pink- to purple-tipped stipitate-glandular; bracts sessile. |
2–5-flowered cymes, 5–18 cm, purple-tipped stipitate-glandular; bracts petiolate. |
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 erect, (sometimes purplish), ovate to lanceolate, margins glandular-ciliate or eciliate, surfaces glabrous; petals white, sometimes with purple veins, not spotted, obovate to narrowly oblanceolate, 7–15 mm, longer than sepals; ovary 1/4–1/3 inferior. |
2n | = 26. |
= 26, 48, 52. |
Saxifraga vespertina |
Saxifraga radiata |
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Phenology | Flowering summer. | Flowering summer. |
Habitat | Rocky slopes, ledges, crevices | Snow-bed meadows, stream banks |
Elevation | 100-1800 m (300-5900 ft) | 0-1500 m (0-4900 ft) |
Distribution |
OR; WA
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AK; NT; YT; Asia (Siberia) |
Source | FNA vol. 8, p. 142. | FNA vol. 8, p. 143. |
Parent taxa | Saxifragaceae > Saxifraga | Saxifragaceae > Saxifraga |
Sibling taxa | ||
Synonyms | Leptasea vespertina, S. bronchialis subsp. vespertina, S. bronchialis var. vespertina | S. exilis |
Name authority | (Small) Fedde: Just’s Bot. Jahresber. 33(1): 613. (1906) | Small: in N. L. Britton et al., N. Amer. Fl. 22: 128. (1905) |
Web links |