Carex adelostoma

V. I. Kreczetowicz

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

Common names: Carex à bec obscur
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


V23 739-distribution-map.jpg

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


Selected References


Lower Taxa

... more about "Carex adelostoma"
David F. Murray +
V. I. Kreczetowicz +
Carex à bec obscur +
Man. +, Nfld. and Labr. +, N.W.T. +, Nunavut +, Que. +, Alaska +, n Europe +  and Asia (boreal Russia). +
10–300 m +
Subarctic bogs, forests +
Fruiting Jul–Aug. +
in V. L. Komarov et al., Fl. URSS +
Illustrated +
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 +