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kobrésie simple, simple bog sedge, simple kobresia

Culms

5–35 cm.

Leaves

basal sheaths dull, base of blade usually persistent;

blades ± channeled, 2–20 cm × 0.2–1.5(–2) mm.

Inflorescences

usually compound, (8–) 10–35 × (2–)3–8 mm;

bracts brown, margins hyaline, ovate to oblong-ovate;

proximal spikelets 1-flowered and pistillate or 2-flowered and androgynous;

terminal and distal spikelets 1-flowered, staminate.

Perigynia

brown, 2.5–3.2 mm, margins free to base, smooth.

Achenes

2–3 mm.

Scales

brown, ovate, 2–3 mm, margins hyaline, midvein distinct almost to tip, apex obtuse to subacute.

Anthers

1–2 mm.

2n

= 70–75.

Kobresia simpliciuscula

Phenology Fruiting summer.
Habitat Fens, marshes, mesic to wet tundra, gravels, rocky slopes, usually on calcareous substrates
Elevation 0–3500 m (0–11500 ft)
Distribution
from FNA
AK; CO; ID; OR; UT; WY; AB; BC; MB; NL; NT; NU; ON; QC; YT; Greenland; Eurasia
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 23, p. 252.
Parent taxa Cyperaceae > Kobresia
Sibling taxa
K. myosuroides, K. sibirica
Synonyms Carex simpliciuscula
Name authority (Wahlenberg) Mackenzie: Bull. Torrey Bot. Club 50: 349. (1923)
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