Micranthes spicata |
Micranthes caroliniana |
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Habit | Plants solitary or tufted, short, thick-rhizomatous. | Plants solitary or tufted, with bulbils on caudices. |
Leaves | basal; petiole rounded, 4–15 cm; blade round, ovate, or reniform, 3–15 cm, thin, base cordate, margins serrate to dentate, ciliate, surfaces hairy to glabrate. |
basal; petiole flattened, 1–10 cm; blade broadly ovate to elliptic, 2–14 cm, thin to slightly fleshy, base truncate, margins deeply dentate (teeth 2+ mm), sparsely glandular-ciliate, surfaces densely white-hairy. |
Inflorescences | 15+-flowered, congested, spikelike thyrses, 15–50(–70) cm, tangled, pink- to purple-tipped stipitate-glandular. |
15+-flowered, open, lax thyrses, 10–50 cm, purple-tipped stipitate-glandular. |
Flowers | sepals reflexed, oblong to ovate; petals cream to yellowish, not spotted, oblong, not clawed, 3–4.5 mm, longer than sepals; filaments narrowly club-shaped; pistils connate at least 1/2 their lengths; ovary superior, (to 1/3 adnate to hypanthium). |
sepals reflexed, oblong; petals white, with 2 basal yellow spots (distinct even in dried material), ovate to elliptic, short-clawed, 2–4 mm, much longer than sepals; filaments elongate, (longer than petals), club-shaped; pistils distinct almost to base; ovary superior. |
Capsules | green, purplish tinged, ± folliclelike, (basally connate). |
greenish to yellow, folliclelike. |
Micranthes spicata |
Micranthes caroliniana |
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Phenology | Flowering summer. | Flowering spring. |
Habitat | Wet tundra, heaths, moist, rocky areas, streamsides | Moist soil at bases of vertical or overhanging rock outcrops, seeps |
Elevation | 0-1700 m (0-5600 ft) | 500-1200 m (1600-3900 ft) |
Distribution |
AK; YT |
NC; TN; VA; WV |
Source | FNA vol. 8, p. 57. | FNA vol. 8, p. 61. |
Parent taxa | Saxifragaceae > Micranthes | Saxifragaceae > Micranthes |
Sibling taxa | ||
Synonyms | Saxifraga spicata | Saxifraga caroliniana |
Name authority | (D. Don) Small: in N. L. Britton et al., N. Amer. Fl. 22: 146. (1905) | (A. Gray) Small: in N. L. Britton et al., N. Amer. Fl. 22: 146. (1905) |
Web links |