Micranthes odontoloma

(Piper) A. Heller

Muhlenbergia 8: 60. 1912 ,.

Common names: Brook saxifrage
Basionym: Saxifraga odontoloma Piper Smithsonian Misc. Collect. 50: 200. 1907,
Treatment appears in FNA Volume 8. Treatment on page 56. Mentioned on page 53, 57.

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.


Phenology: Flowering summer–early autumn.
Habitat: Wet meadows and stream banks
Elevation: 1500-4000 m

Distribution

V8 96-distribution-map.gif

Alta., B.C., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"thin" is not a number."full" is not a number.

... more about "Micranthes odontoloma"
epigynous +, perigynous +  and hypogynous +
palmate +  and pinnate +
acute +  and obtuse or rounded +
Luc Brouillet +  and Patrick E. Elvander† +
(Piper) A. Heller +
cordate to truncate +
Saxifraga odontoloma +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
7 cm70 mm <br />0.07 m <br /> (40 cm400 mm <br />0.4 m <br />) +
green;purple +
3-carpellate +  and 2-carpellate +
connate +  and distinct +
Brook saxifrage +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Alta. +, B.C. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah +, Wash. +  and Wyo. +
1500-4000 m +
club--shaped +
bracteate +  and 2-70+[-1000]-flowered +
unisexual +  and bisexual +
2 cm20 mm <br />0.02 m <br /> (125 cm1,250 mm <br />1.25 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Wet meadows and stream banks +
multicellular +
glabrous +, stipitate-glandular +  and hairy +
purplish +  and green +
free +  and adnate +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
open +  and 10-30+-flowered +
opposite +  and alternate +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
purple-margined +
reddish purple +  and purple +
distinct +
unlobed +  and lobed +
peltate +  and jointed +
2 cm20 mm <br />0.02 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Flowering summer–early autumn. +
2(-3)-carpellate +
unequal +
Muhlenbergia +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
ovoid +, ellipsoid +  and oblong +
reddish +  and green +
distinct +
ovate +  and elliptic +
unbranched +  and branched +
persistent +
horizontal +  and erect +
2 +  and 3 +
connate +  and distinct +
glabrous +  and hairy +
Micranthes odontoloma +
Micranthes +
species +
purple-tipped +
65 cm650 mm <br />0.65 m <br /> (85 cm850 mm <br />0.85 m <br />) +
flat-topped +
20 cm200 mm <br />0.2 m <br /> (65 cm650 mm <br />0.65 m <br />) +
dentate +, serrate +  and entire +
annual +, biennial +  and perennial +