Micranthes texana |
Micranthes palmeri |
|
---|---|---|
Texas saxifrage |
Palmer's saxifrage |
|
Habit | Plants solitary or in clumps, with bulbils on caudices. | Plants solitary or in clumps, with bulbils on caudices. |
Leaves | 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. |
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 | 20+-flowered, branched, ± capitate thyrses, 10–15 cm, hairy, sometimes purple-tipped stipitate-glandular. |
30+-flowered, (flowers sometimes almost secund), very open, lax thyrses, 6–50 cm, hairy proximally, densely so distally. |
Flowers | 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. |
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). |
Capsules | reddish to purplish, valvate. |
green with reddish or purplish tinge, or reddish purple, folliclelike. |
Micranthes texana |
Micranthes palmeri |
|
Phenology | Flowering late winter–spring. | Flowering spring. |
Habitat | Sandy flats, rocky, open, wooded areas, granite outcrops | Rocky, open woodlands |
Elevation | 50-500 m (200-1600 ft) | 100-1000 m (300-3300 ft) |
Distribution |
AR; GA; KS; LA; MO; OK; TX |
AR; OK |
Source | FNA vol. 8, p. 68. | FNA vol. 8, p. 61. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Saxifraga texana | Saxifraga palmeri, Saxifraga virginiensis var. subintegra |
Name authority | (Buckley) Small: Fl. S.E. U.S., 501. 1903 , | Bush: Amer. Midl. Naturalist 11: 221. 1928 , |
Web links |