Saxifraga vespertina |
Saxifraga flagellaris |
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Matted saxifrage, saxifraga vespertina, spotted saxifrage, yellow dot saxifrage |
Alaska saxifrage, nodding saxifrage, spider plant, spider saxifrage, stoloniferous or spider or spider-legged saxifrage, stoloniferous saxifrage, whiplash saxifrage |
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Habit | Plants forming loose mats, (stems trailing), not stoloniferous, rhizomatous. | Plants in solitary clumps, 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; petiole absent; blade oblong-lanceolate or elliptic to obovate, unlobed, 5–20 mm, fleshy, margins entire, sparsely to densely, coarsely glandular-ciliate, distal sometimes ciliate, apex acute to ± obtuse, mucronate, surfaces glabrous. |
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Inflorescences | 3–6-flowered cymes, 2.5–12 cm, pink- to purple-tipped stipitate-glandular; bracts sessile. |
2–3(–5)-flowered, lax cymes, sometimes solitary flowers, 1–15 cm, densely purplish-tipped stipitate-glandular; bracts sessile. |
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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, elliptic or oblong-ovate, margins stipitate glandular-ciliate, surfaces stipitate-glandular; petals yellow, not spotted, elliptic to broadly obovate, 4–9(–10) mm, longer than sepals; ovary superior to ca. 1/2 inferior. |
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2n | = 26. |
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Saxifraga vespertina |
Saxifraga flagellaris |
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Phenology | Flowering summer. | |||||||||
Habitat | Rocky slopes, ledges, crevices | |||||||||
Elevation | 100-1800 m (300-5900 ft) | |||||||||
Distribution |
OR; WA
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AK; AZ; CO; ID; MT; NM; UT; WY; AB; BC; NT; NU; YT; Asia (c Asia, Caucasus, Russian Far East, Siberia); Atlantic Islands (Svalbard)
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Discussion | Subspecies ca. 8 (3 in the flora). Although sometimes reported from North America, subspecies flagellaris is not present in the flora area; it is native in Eurasia. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 8, p. 142. | FNA vol. 8, p. 138. | ||||||||
Parent taxa | Saxifragaceae > Saxifraga | Saxifragaceae > Saxifraga | ||||||||
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Subordinate taxa | ||||||||||
Synonyms | Leptasea vespertina, S. bronchialis subsp. vespertina, S. bronchialis var. vespertina | |||||||||
Name authority | (Small) Fedde: Just’s Bot. Jahresber. 33(1): 613. (1906) | Willdenow: in C. M. von Sternberg, Revis. Saxifrag. 1: 25, plate 6. 1810 , | ||||||||
Web links |