Micranthes californica |
Micranthes hieraciifolia |
|
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California saxifrage, Greene's saxifrage |
hawkweed-leaf saxifrage |
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Habit | Plants solitary or in clumps, with bulbils on caudices, or rhizomatous. | Plants mostly solitary, with short caudices, sometimes rhizomatous. |
Leaves | basal; petiole flattened, 2–5 cm; blade ovate, 2–7 cm, fleshy, base attenuate, margins serrate, rarely subentire, ciliate, surfaces hairy. |
basal; petiole sometimes indistinct, flattened, 2–4 cm; blade ovate to elliptic, 2–6 cm, ± fleshy, base cuneate to slightly attenuate, margins usually ± evenly serrulate to denticulate, ciliate, surfaces sparsely to densely hairy and sparsely stipitate-glandular. |
Inflorescences | 20+-flowered, (flowers often secund), open, lax thyrses with distant lateral branches, 15–30(–40) cm, purple-tipped stipitate-glandular. |
30+-flowered, constricted, spikelike thyrses, 7–30 cm, tangled-hairy proximally, densely purple-tipped stipitate-glandular distally. |
Flowers | sepals reflexed, sometimes spreading, triangular to ovate; petals white, not spotted, elliptic to oblong, clawed, 2.5–4.5 mm, longer than sepals; filaments linear, flattened; pistils connate to 1/2 their lengths; ovary 1/2+ inferior, appearing superior in fruit. |
sepals spreading to reflexed, triangular to ovate; petals dark reddish purple, not spotted, narrowly ovate to lanceolate, slightly clawed, 1.5–3 mm, equaling sepals; filaments linear, flattened; pistils connate to 1/2 their lengths; ovary 1/2+ inferior. |
Capsules | purplish, folliclelike. |
reddish to purple, valvate. |
2n | = 112, 120. |
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Micranthes californica |
Micranthes hieraciifolia |
|
Phenology | Flowering winter–early spring. | Flowering summer. |
Habitat | Shaded fields, rocky or unstable slopes, stream banks | Wet, mossy tundra, streamsides, ledges, crevices |
Elevation | 0-1500 m (0-4900 ft) | 0-2000 m (0-6600 ft) |
Distribution |
CA; OR; Mexico (Baja California)
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AK; MT; BC; NT; NU; YT; Greenland; Europe; Asia |
Discussion | In British Columbia, Micranthes hieraciifolia is disjunct between the far north and the Okanagan-Thompson Plateau in the south (S. A. Harris 2003). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 8, p. 64. | FNA vol. 8, p. 66. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga californica, M. parvifolia, Saxifraga fallax, Saxifraga hallii, Saxifraga parvifolia, Saxifraga virginiensis var. californica | Saxifraga hieraciifolia, Saxifraga hieraciifolia var. angusticapsula, Saxifraga hieraciifolia var. rufopilosa |
Name authority | (Greene) Small: in N. L. Britton et al., N. Amer. Fl. 22: 140. (1905) | (Waldstein & Kitaibel ex Willdenow) Haworth: Saxifrag. Enum., 45. 1821 (as hieracifolia) , |
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