Flora of North America species comparison

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Micranthes odontoloma

brook saxifrage, stream saxifrage, streambank saxifrage
Habit Plants solitary or sometimes grouped, rhizomatous.
Leaves

basal;

petiole rounded, 2–30 cm;

blade round, 7–40 cm, thin to slightly fleshy, base cordate to truncate, margins regularly dentate, eciliate, surfaces sparsely brownish hairy abaxially, glabrous adaxially.
Inflorescences

10–30+-flowered, open, lax, flat-topped thyrses, 20–65(–85) cm, glabrous proximally, purple-tipped subsessile-glandular distally.
Flowers

sepals reflexed, ovate to elliptic;

petals white, each with 2 basal yellow spots, round to broadly elliptic, clawed, 3–4.5 mm, longer than sepals;

filaments strongly club-shaped, (to 6 mm);

pistils connate ca. 1/2 their lengths;

ovary superior.
Capsules

green to purple, ± folliclelike.
2n

= 24, 48.

Micranthes odontoloma
Phenology Flowering summer–early autumn.
Habitat Wet meadows and stream banks
Elevation 1500-4000 m (4900-13100 ft)
Distribution
from FNA
AZ; CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 8, p. 56.
Parent taxa Saxifragaceae > Micranthes
Sibling taxa
M. apetala, M. aprica, M. bryophora, M. californica, M. calycina, M. careyana, M. caroliniana, M. eriophora, M. ferruginea, M. foliolosa, M. fragosa, M. gaspensis, M. gormanii, M. hieraciifolia, M. hitchcockiana, M. howellii, M. idahoensis, M. integrifolia, M. lyallii, M. marshallii, M. micranthidifolia, M. nelsoniana, M. nidifica, M. nivalis, M. nudicaulis, M. occidentalis, M. oregana, M. palmeri, M. pensylvanica, M. petiolaris, M. razshivinii, M. reflexa, M. rhomboidea, M. rufidula, M. spicata, M. stellaris, M. subapetala, M. tempestiva, M. tenuis, M. texana, M. tischii, M. tolmiei, M. unalaschcensis, M. virginiensis
Synonyms Saxifraga odontoloma
Name authority (Piper) A. Heller: Muhlenbergia 8: 60. 1912 ,
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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