Micranthes apetala

(Piper) Small in N. L. Britton et al.

in N. L. Britton et al., N. Amer. Fl. 22: 135. 1905 ,.

Common names: Tiny swamp saxifrage
Basionym: Saxifraga apetala Piper Bull. Torrey Bot. Club 27: 393. 1900
Synonyms: Saxifraga integrifolia var. apetala (Piper) M. E. Jones
Treatment appears in FNA Volume 8. Treatment on page 68. Mentioned on page 49, 51.
Revision as of 12:55, 30 July 2020 by imported>Volume Importer
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Plants solitary or in clusters, with bulbils on caudices, or short-rhizomatous. Leaves basal; petiole flattened, 0.5–3 cm; blade ± ovate, 2–5 cm, ± fleshy, base attenuate, margins entire or crenulate, eciliate, surfaces hairy. Inflorescences 10–25-flowered, congested, glomerate thyrses, 4–15 cm, pink to purple-tipped stipitate-glandular (hairs uniseriate). Flowers: sepals erect to ascending, ovate; petals absent, sometimes 1–5, white to greenish white, not spotted, linear to oblong, clawed, 1–2 mm, much shorter than sepals; filaments linear, flattened; pistils connate to 1/2 their lengths; ovary 1/2+ inferior. Capsules reddish or purplish, folliclelike. 2n = 38.


Phenology: Flowering early spring–summer.
Habitat: Vernally moist meadows, wet depressions on mountain slopes
Elevation: 600-2800 m

Distribution

V8 132-distribution-map.gif

Idaho, Mont., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.

"full" is not a number.

... more about "Micranthes apetala"
epigynous +, perigynous +  and hypogynous +
palmate +  and pinnate +
acute +  and obtuse or rounded +
Luc Brouillet +  and Patrick E. Elvander† +
(Piper) Small in N. L. Britton et al. +
attenuate +
Saxifraga apetala +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
purplish;reddish +
3-carpellate +  and 2-carpellate +
connate +  and distinct +
Tiny swamp saxifrage +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Idaho +, Mont. +, Oreg. +  and Wash. +
600-2800 m +
flattened +
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 +
Vernally moist meadows, wet depressions on mountain slopes +
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 />) +
opposite +  and alternate +
crenulate +  and entire +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
purple-margined +
not spotted +, white +  and greenish white +
reddish purple +  and purple +
distinct +
1 +  and 5 +
clawed +, linear +  and oblong +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
peltate +  and jointed +
flattened +
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Flowering early spring–summer. +
2(-3)-carpellate +
0 +  and 1/2 +
unequal +
in N. L. Britton et al., N. Amer. Fl. +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
ovoid +, ellipsoid +  and oblong +
reddish +  and green +
distinct +
erect +  and ascending +
unbranched +  and branched +
persistent +
horizontal +  and erect +
2 +  and 3 +
connate +  and distinct +
Saxifraga integrifolia var. apetala +
Micranthes apetala +
Micranthes +
species +
purple-tipped +  and glomerate +
stipitate-glandular +
4 cm40 mm <br />0.04 m <br /> (15 cm150 mm <br />0.15 m <br />) +
dentate +, serrate +  and entire +
annual +, biennial +  and perennial +