Micranthes nudicaulis

(D. Don) Gornall & H. Ohba

J. Bot. Res. Inst. Texas 1: 1021. 2007,.

Basionym: Saxifraga nudicaulis D. Don Trans. Linn. Soc. London 13: 366. 1822
Treatment appears in FNA Volume 8. Treatment on page 59. Mentioned on page 52.

Plants solitary or in clusters, stoloniferous, rhizomatous. Leaves basal; petiole rounded, 0.5–3.5 cm, (base expanded, stipulelike); blade somewhat reniform, (± evenly lobed), 0.5–2.5 cm, ± fleshy, base cordate to truncate, margins entire, sparsely glandular-ciliate, surfaces glabrous. Inflorescences 5–20-flowered, branched cymes or flat-topped thyrses, 5–16 cm, sparsely purple-tipped stipitate-glandular. Flowers: sepals reflexed or, sometimes, spreading, triangular; petals white to cream (rarely pink), not spotted, broadly elliptic to ovate, short-clawed, 4–5 mm, longer than sepals; filaments linear, flattened; pistils connate 1/2+ their lengths; ovary superior, (to 1/3 adnate to hypanthium). Capsules dark purple-black, valvate. 2n = 40.


Phenology: Flowering summer.
Habitat: Wet flushes, stream banks
Elevation: 0-800 m

Distribution

V8 104-distribution-map.gif

Alaska, e Asia (Russian Far East).

Discussion

Selected References

None.

Lower Taxa

None.