Carex squarrosa

Linnaeus

Sp. Pl. 2: 973. 1753.

IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 519. Mentioned on page 516, 518, 520.

Plants cespitose, short-rhizomatous. Culms 30–80 cm. Leaves 3–5.7 mm wide, glabrous. Spikes 1–2 (–3), erect; lateral spikes, if present, usually pistillate; terminal spike gynecandrous; staminate portion 5–18 × 1–3.5 mm; pistillate portion ovate or oblong, 11–35 × 12–20 mm. Pistillate scales 3–4.5 × 0.5–1.1 mm, apex sharply acute or with short, scabrous awn, hidden by perigynia. Staminate scales 3.5–7.1 × 1–2 mm, apex acute, sharp or blunt. Perigynia widely radiating, the proximal reflexed, 5.8–9.7 × 1.9–3.3 mm, smooth; beak 2.1–3.8 mm, usually smooth. Achenes sides often flat, 2.3–3 × 1.1–1.4 mm, 1.9–2.5 times as long as wide; style persistent, sinuous. 2n = 56.


Phenology: Fruiting summer.
Habitat: Wet woods, forest edges, meadows
Elevation: 0–1000 m

Distribution

V23 970-distribution-map.jpg

Ont., Ala., Ark., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Miss., Mo., Nebr., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Va., W.Va.

Discussion

Carex squarrosa and C. typhina are sympatric over much of the northern part of their ranges and occur in similar habitats. Some evidence suggests, however, that C. squarrosa occurs in slightly drier habitats than C. typhina.

Selected References

None.

Lower Taxa

None.

"shortened" is not a number."not undefined" is not a number.

... more about "Carex squarrosa"
trigonous +
smaller +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
beaked +  and truncate +
blunt;sharp;acute;with short , scabrous awn;acute +
Bruce A. Ford +  and A. A. Reznicek +
Linnaeus +
rounded-tapering +  and tapering +
1.2 +  and 3.8 +
bidentate +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
v--shaped +  and septate-nodulose +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
indistinct +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
redbrown +  and brown +
round +  and trigonous +
30 cm300 mm <br />0.3 m <br /> (80 cm800 mm <br />0.8 m <br />) +
Ont. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Md. +, Mass. +, Mich. +, Miss. +, Mo. +, Nebr. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, S.C. +, Tenn. +, Va. +  and W.Va. +
0–1000 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Wet woods, forest edges, meadows +
prophyllate +  and pedunculate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.3 cm3 mm <br />0.003 m <br /> (0.57 cm5.7 mm <br />0.0057 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
stipitate +, sessile +  and many-veined +
ascending +  and spreading +
Fruiting summer. +
2-3(-4)-carpellate +
pistillate +  and staminate +
1.1 cm11 mm <br />0.011 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
oblong +  and ovate +
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
3 (?) +  and 1 (?) +
thread-like;leaflike +
0.58 cm5.8 mm <br />0.0058 m <br /> (0.97 cm9.7 mm <br />0.0097 m <br />) +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
adventitious +
staminate +  and pistillate +
basal +  and proximal +
2-keeled +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
cylindric +
Illustrated +  and Endemic +
1 +  and 3 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
persistent +
2-3(-4)-fid +
Carex squarrosa +
Carex sect. Squarrosae +
species +
gyncecandrous +  and staminate +
0.3 cm3 mm <br />0.003 m <br /> (?) +
plant +  and cespitose +