Carex adelostoma

V. I. Kreczetowicz in V. L. Komarov et al.

in V. L. Komarov et al., Fl. URSS 3: 603. 1935.

Common names: Carex à bec obscur
Illustrated
Synonyms: Carex buxbaumii var. alpicola Hartman Carex buxbaumii var. alpina Hartman Carex buxbaumii var. mutica Hartman Carex buxbaumii subsp. mutica (Hartman) Isoviita Carex morrisseyi
Treatment appears in FNA Volume 23. Treatment on page 410. Mentioned on page 402, 403, 407.

Plants cespitose. Culms 20–35 cm, distally scabrous. Leaves blades 2–3 mm wide. Inflorescences: proximal bracts shorter than inflorescences; spikes erect, distinct, short-pendunculate, oblong, 10–15 × 5–8 mm; lateral 2–3 spikes pistillate, of similar length; terminal spike staminate, androgynous, or gynecandrous. Pistillate scales dark-brown, lanceolate, mostly shorter than, also equaling or longer (if longer then without long mucro typical of C. buxbaumii) and as broad as perigynia, midvein lighter colored than body, conspicuous apex acuminate or mucronate, mucro less than 0.5 mm. Perigynia ascending, pale green, veined or veinless, elliptic, 2.5–3 × 1.25–1.75 mm, papillose, especially along distal margins; beak to 0.2 mm, bidentate. Achenes nearly filling body of perigynia. 2n = 106.


Phenology: Fruiting Jul–Aug.
Habitat: Subarctic bogs, forests
Elevation: 10–300 m

Distribution

V23 739-distribution-map.jpg

Man., Nfld. and Labr., N.W.T., Nunavut, Que., Alaska, n Europe, Asia (boreal Russia)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carex adelostoma"
trigonous +
smaller +
conspicuous +
papillose +  and smooth +
David F. Murray +
V. I. Kreczetowicz in V. L. Komarov et al. +
shortened +
cuneate +  and more or less rounded +
bidentate +
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
v--shaped +
0mm;20mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
Carex à bec obscur +
papillose +  and smooth +
red +  and purple +
round +  and trigonous +
20 cm200 mm <br />0.2 m <br /> (35 cm350 mm <br />0.35 m <br />) +
Man. +, Nfld. and Labr. +, N.W.T. +, Nunavut +, Que. +, Alaska +, n Europe +  and Asia (boreal Russia) +
10–300 m +
hypogynous +  and subtending +
biconvex +  and trigonous +
Subarctic bogs, forests +
prophyllate +, pedunculate +  and pistillate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
lighter colored +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
veinless +  and veined +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.125 cm1.25 mm <br />0.00125 m <br /> (0.175 cm1.75 mm <br />0.00175 m <br />) +
Fruiting Jul–Aug. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
scale-like;,;thread-like +
ladder-fibrillose +  and veined +
purple +, tinged red +  and dotted +
in V. L. Komarov et al., Fl. URSS +
black without yellowbrown +  and brown +
adventitious +
basal +  and proximal +
lanceolate +
cylindric +
Illustrated +
pistillate +  and short-pendunculate +
distinct +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
2 +  and 3 +
papillate +
deciduous +
2-3(-4)-fid +
Carex buxbaumii var. alpicola +, Carex buxbaumii var. alpina +, Carex buxbaumii var. mutica +, Carex buxbaumii subsp. mutica +  and Carex morrisseyi +
Carex adelostoma +
Carex sect. Racemosae +
species +
gynecandrous +  and androgynous +
stoloniferous +, rhizomatous +  and long +
plant +  and cespitose +