Micranthes bryophora |
Micranthes californica |
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bud saxifrage |
California saxifrage, Greene's saxifrage |
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Habit | Plants solitary or tufted, with bulbils on caudices. | Plants solitary or in clumps, with bulbils on caudices, or rhizomatous. |
Leaves | ± basal; petiole absent; blade linear to narrowly elliptic, 0.5–4 cm, fleshy, base cuneate, margins subentire, ciliate, surfaces hirsute. |
basal; petiole flattened, 2–5 cm; blade ovate, 2–7 cm, fleshy, base attenuate, margins serrate, rarely subentire, ciliate, surfaces hairy. |
Inflorescences | usually 2–3+-flowered, open, lax thyrses, sometimes solitary flowers, (flowers terminal, proximal usually replaced by bulbils, sometimes bulbils absent), 2–25 cm, stipitate-glandular. (Pedicels reflexed.) Flowers: sepals reflexed, elliptic; petals white, each with 2 basal yellow spots, triangular to broadly ovate, clawed, 3–5 mm, longer than sepals; filaments linear, flattened; pistils connate 1/2+ their lengths; ovary superior, (to 1/3 adnate to hypanthium). |
20+-flowered, (flowers often secund), open, lax thyrses with distant lateral branches, 15–30(–40) cm, purple-tipped stipitate-glandular. |
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. |
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Capsules | green to yellow, purple tinged, valvate. |
purplish, folliclelike. |
Micranthes bryophora |
Micranthes californica |
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Phenology | Flowering summer. | Flowering winter–early spring. |
Habitat | Wet meadows, rocky ledges | Shaded fields, rocky or unstable slopes, stream banks |
Elevation | 1600-4500 m (5200-14800 ft) | 0-1500 m (0-4900 ft) |
Distribution |
CA; ID
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CA; OR; Mexico (Baja California)
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Discussion | Specimens of Micranthes bryophora from the disjunct populations in Idaho have been called Saxifraga bryophora var. tobiasiae; they appear to overlap in morphology with the California plants and are not distinguished here. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 8, p. 58. | FNA vol. 8, p. 64. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga bryophora, Saxifraga bryophora var. tobiasiae | Saxifraga californica, M. parvifolia, Saxifraga fallax, Saxifraga hallii, Saxifraga parvifolia, Saxifraga virginiensis var. californica |
Name authority | (A. Gray) Brouillet & Gornall: J. Bot. Res. Inst. Texas 1: 1020. (2007) | (Greene) Small: in N. L. Britton et al., N. Amer. Fl. 22: 140. (1905) |
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