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Montana Field Guide

Montana Field Guides

Blackened Sedge - Carex atrosquama
Other Names:  Carex atrata var atrosquama


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

External Links






 
General Description
Caespitose with old leaves at the often reddish base. Stems erect, 10–45 cm. Leaves basal and lower-cauline; blades 1–4 mm wide. Inflorescence of 3 to 5 short-pedunculate, ascending to erect, loosely clustered spikes. Spikes 10–18 mm long, all similar; male flowers basal on uppermost spike otherwise all female. Perigynia green to purplish, elliptic, 3–4 mm long, scabrous on the margins; beaks 0.3–0.5 mm long; stigmas 3. Female scales blackish throughout, as long or barely shorter than the perigynia but nearly as broad. Achene 3-sided, partly filling the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
AK to NT south to UT and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Moist to dry meadows, turf, fellfields; subalpine, lower alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Blackened Sedge — Carex atrosquama.  Montana Field Guide.  .  Retrieved on , from