Carex obtusata

Liljeblad

Kongl. Vetensk. Acad. Nya Handl. 14: 69. 1793.

Illustrated
Treatment appears in FNA Volume 23. Treatment on page 555. Mentioned on page 553, 556.

Culms (3–) 10–20 cm. Leaves: blades 0.5–1.5 mm wide. Pistillate scales brown, with hyaline margins, lanceolate, 2.5–3.5 (–4.5) mm, as wide and as long as or slightly shorter than and enclosing perigynia. Perigynia finely veined, at least in proximal 1/2, 3–3.8 mm; beak teeth firm or flexible. 2n = 52.


Phenology: Fruiting Jun–Aug.
Habitat: Dry grasslands, dry bluffs, dry sandy flood plains
Elevation: 10–1400 m

Distribution

V23 1056-distribution-map.jpg

Alta., B.C., Man., N.W.T., Ont., Sask., Yukon, Alaska, Colo., Minn., Mont., N.Mex., N.Dak., S.Dak., Utah, Wyo., Eurasia

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Carex obtusata"
rounded-trigonous +
David F. Murray +
Liljeblad +
shortened +
rounded-cuneate +
Obtusatae +
bidentate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
v--shaped +
0.5mm;1.5mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
redbrown +  and red-purple +
round +  and trigonous +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Alta. +, B.C. +, Man. +, N.W.T. +, Ont. +, Sask. +, Yukon +, Alaska +, Colo. +, Minn. +, Mont. +, N.Mex. +, N.Dak. +, S.Dak. +, Utah +, Wyo. +  and Eurasia +
10–1400 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Dry grasslands, dry bluffs, dry sandy flood plains +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
with (1-)3-6(-30) bristles and/or scales +
brown +  and reddish black +
0.3 cm3 mm <br />0.003 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
Fruiting Jun–Aug. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
Kongl. Vetensk. Acad. Nya Handl. +
adventitious +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
basal +  and proximal +
lanceolate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
cylindric +
Illustrated +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex obtusata +
Carex sect. Obtusatae +
species +
plant +  and not cespitose +