Micranthes bryophora |
Micranthes palmeri |
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bud saxifrage |
Palmer's saxifrage |
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Habit | Plants solitary or tufted, with bulbils on caudices. | Plants solitary or in clumps, with bulbils on caudices. |
Leaves | ± basal; petiole absent; blade linear to narrowly elliptic, 0.5–4 cm, fleshy, base cuneate, margins subentire, ciliate, surfaces hirsute. |
basal; petiole flattened, 1–9 cm; blade ovate to elliptic, 2–8 cm, slightly fleshy, base attenuate, margins entire or subentire, ciliate, surfaces tangled, reddish brown-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). |
30+-flowered, (flowers sometimes almost secund), very open, lax thyrses, 6–50 cm, hairy proximally, densely so distally. |
Flowers | sepals erect to ascending, ovate to triangular; petals white, not spotted, broadly oblong to elliptic, not clawed, 3–6 mm, 2+ times as long as sepals; filaments linear, flattened; pistils distinct almost to base; ovary ± superior, (to 1/3 adnate to hypanthium). |
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Capsules | green to yellow, purple tinged, valvate. |
green with reddish or purplish tinge, or reddish purple, folliclelike. |
Micranthes bryophora |
Micranthes palmeri |
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Phenology | Flowering summer. | Flowering spring. |
Habitat | Wet meadows, rocky ledges | Rocky, open woodlands |
Elevation | 1600-4500 m (5200-14800 ft) | 100-1000 m (300-3300 ft) |
Distribution |
CA; ID
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AR; OK |
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. 61. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga bryophora, Saxifraga bryophora var. tobiasiae | Saxifraga palmeri, Saxifraga virginiensis var. subintegra |
Name authority | (A. Gray) Brouillet & Gornall: J. Bot. Res. Inst. Texas 1: 1020. (2007) | Bush: Amer. Midl. Naturalist 11: 221. 1928 , |
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