Micranthes unalaschcensis

(Sternberg) Gornall & H. Ohba

J. Bot. Res. Inst. Texas 1: 1022. 2007,.

Basionym: Saxifraga unalaschensis Sternberg Revis. Saxifrag., suppl. 2: 9. 1831
Synonyms: Saxifraga calycina subsp. unalaschensis (Sternberg) Hultén Saxifraga davurica var. unalaschensis (Sternberg) Engler
Treatment appears in FNA Volume 8. Treatment on page 60. Mentioned on page 50, 52.
Revision as of 11:54, 30 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Plants solitary or tufted, with bulbils on caudices or rhizomatous. Leaves basal; petiole flattened, 1–2 cm; blade broadly obovate to round, 1–3.5 cm, ± fleshy, base cuneate, margins distally toothed, sparsely ciliate, surfaces glabrous. Inflorescences 2–10-flowered, open thyrses, racemiform distally, sometimes solitary flowers, 3–15 cm, tangled-hairy. Flowers: sepals reflexed, ovate; petals white to cream or pinkish, not spotted, elliptic to oblong, ± clawed, 3.5–5 mm, longer than sepals; filaments linear, flattened; pistils connate 1/2+ their lengths; ovary at least 1/2 inferior. Capsules dark purple, valvate.


Phenology: Flowering summer.
Habitat: Tundra, flushes, stream banks, slopes
Elevation: 0-600 m

Distribution

V8 107-distribution-map.gif

Alaska, e Asia (Russian Far East)

Discussion

The ovaries and capsules of Micranthes unalaschensis are ovoid, thicker and plumper than those of M. calycina and M. razshivinii, which are conic (E. Hultén 1968).

Selected References

None.

Lower Taxa

None.

"full" is not a number.

... more about "Micranthes unalaschcensis"
epigynous +, perigynous +  and hypogynous +
palmate +  and pinnate +
acute +  and obtuse or rounded +
Luc Brouillet +  and Patrick E. Elvander† +
(Sternberg) Gornall & H. Ohba +
cuneate +
Saxifraga unalaschensis +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
broadly obovate +  and round +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
2(-3)-beaked +  and folliclelike +
3-carpellate +  and 2-carpellate +
connate +  and distinct +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Alaska +  and e Asia (Russian Far East) +
0-600 m +
flattened +
bracteate +  and 2-70+[-1000]-flowered +
tangled-hairy +
unisexual +  and bisexual +
3 cm30 mm <br />0.03 m <br /> (15 cm150 mm <br />0.15 m <br />) +
2 cm20 mm <br />0.02 m <br /> (125 cm1,250 mm <br />1.25 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Tundra, flushes, stream banks, 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 +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
purple-margined +
not spotted +, white +  and cream or pinkish +
reddish purple +  and purple +
distinct +
clawed +, elliptic +  and oblong +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
peltate +  and jointed +
flattened +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering summer. +
2(-3)-carpellate +
unequal +
J. Bot. Res. Inst. Texas +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
ovoid +, ellipsoid +  and oblong +
reddish +  and green +
distinct +
unbranched +  and branched +
persistent +
horizontal +  and erect +
2 +  and 3 +
connate +  and distinct +
Saxifraga calycina subsp. unalaschensis +  and Saxifraga davurica var. unalaschensis +
Micranthes unalaschcensis +
Micranthes +
species +
racemiform +  and open +
dentate +, serrate +  and entire +
tufted +  and solitary +
annual +, biennial +  and perennial +