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FNA | Family List | FNA Vol. 8 | Saxifragaceae | Micranthes

5. Micranthes spicata (D. Don) Small in N. L. Britton et al., N. Amer. Fl. 22: 146. 1905.

Saxifraga spicata D. Don, Trans. Linn. Soc. London 13: 354. 1822

Plants solitary or tufted, short, thick-rhizomatous. 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. Inflorescences 15+-flowered, congested, spikelike thyrses, 15-50(-70) cm, tangled, pink- to 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). Capsules green, purplish tinged, ± folliclelike, (basally connate).

Flowering summer. Wet tundra, heaths, moist, rocky areas, streamsides; 0-1700 m; Yukon; Alaska.


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