Micranthes californica |
Micranthes texana |
|
---|---|---|
California saxifrage, Greene's saxifrage |
Texas saxifrage |
|
Habit | Plants solitary or in clumps, with bulbils on caudices, or rhizomatous. | Plants solitary or in clumps, with bulbils on caudices. |
Leaves | basal; petiole flattened, 2–5 cm; blade ovate, 2–7 cm, fleshy, base attenuate, margins serrate, rarely subentire, ciliate, surfaces hairy. |
basal; petiole flattened, 1–3 cm; blade broadly ovate to oblong, 1.5–3 cm, ± leathery, base ± abruptly attenuate, margins subentire to slightly crenate, eciliate, surfaces glabrate to sparsely hairy. |
Inflorescences | 20+-flowered, (flowers often secund), open, lax thyrses with distant lateral branches, 15–30(–40) cm, purple-tipped stipitate-glandular. |
20+-flowered, branched, ± capitate thyrses, 10–15 cm, hairy, sometimes 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. |
sepals erect, ovate; petals white, not spotted, ± obovate, clawed, 2–3.5 mm, ± equaling sepals; filaments linear, flattened; pistils 3+, connate to 1/2 their lengths; ovary 1/2+ inferior, appearing more superior in fruit. |
Capsules | purplish, folliclelike. |
reddish to purplish, valvate. |
Micranthes californica |
Micranthes texana |
|
Phenology | Flowering winter–early spring. | Flowering late winter–spring. |
Habitat | Shaded fields, rocky or unstable slopes, stream banks | Sandy flats, rocky, open, wooded areas, granite outcrops |
Elevation | 0-1500 m (0-4900 ft) | 50-500 m (200-1600 ft) |
Distribution |
CA; OR; Mexico (Baja California)
|
AR; GA; KS; LA; MO; OK; TX |
Source | FNA vol. 8, p. 64. | FNA vol. 8, p. 68. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga californica, M. parvifolia, Saxifraga fallax, Saxifraga hallii, Saxifraga parvifolia, Saxifraga virginiensis var. californica | Saxifraga texana |
Name authority | (Greene) Small: in N. L. Britton et al., N. Amer. Fl. 22: 140. (1905) | (Buckley) Small: Fl. S.E. U.S., 501. 1903 , |
Web links |