Micranthes californica |
Micranthes marshallii |
|
---|---|---|
California saxifrage, Greene's saxifrage |
Idaho saxifrage, Marshall's saxifrage |
|
Habit | Plants solitary or in clumps, with bulbils on caudices, or rhizomatous. | Plants in groups or sometimes mat-forming, 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 flattened, 3–15 cm; blade ovate, 1–5 cm, ± fleshy, base attenuate, margins shallowly crenate-serrate (teeth ca. 2 mm), eciliate, surfaces sparsely tangled, reddish brown-hairy abaxially, glabrate adaxially. |
Inflorescences | 20+-flowered, (flowers often secund), open, lax thyrses with distant lateral branches, 15–30(–40) cm, purple-tipped stipitate-glandular. |
15–50+-flowered, open, lax thyrses, 20–40 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. |
sepals reflexed, lanceolate to oblong; petals white, with 2 basal yellow spots (often faded when dried), ovate, clawed, 1.5–4.5 mm, longer than sepals; filaments strongly club-shaped, sometimes petaloid (short-clawed, equaling petals); pistils distinct almost to base; ovary superior, (to 1/3 adnate to hypanthium). |
Capsules | purplish, folliclelike. |
greenish to reddish purple, folliclelike. |
2n | = 20. |
|
Micranthes californica |
Micranthes marshallii |
|
Phenology | Flowering winter–early spring. | Flowering spring. |
Habitat | Shaded fields, rocky or unstable slopes, stream banks | Deeply shaded watercourses, stream banks, seeps |
Elevation | 0-1500 m (0-4900 ft) | 100-1000 m (300-3300 ft) |
Distribution |
CA; OR; Mexico (Baja California)
|
CA; OR
|
Source | FNA vol. 8, p. 64. | FNA vol. 8, p. 63. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga californica, M. parvifolia, Saxifraga fallax, Saxifraga hallii, Saxifraga parvifolia, Saxifraga virginiensis var. californica | Saxifraga marshallii |
Name authority | (Greene) Small: in N. L. Britton et al., N. Amer. Fl. 22: 140. (1905) | (Greene) Small: in N. L. Britton et al., N. Amer. Fl. 22: 145. 1905 , |
Web links |