Carex typhina

Michaux

Fl. Bor.-Amer. 2: 169. 1803.

Common names: Carex massette
IllustratedEndemic
Synonyms: Carex typhinoides Schweinitz
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 3.9–8.7 mm wide, glabrous. Spikes (1–) 2–4 (–6), erect; lateral spikes usually pistillate; terminal spike gynecandrous; staminate portion 4–11 × 1–3.5 mm; pistillate portion oblong to elliptic, 10–43 × 10–16 mm. Pistillate scales 2.3–5.5 × 1.2–1.7 mm, apex acute, sharp or blunt, hidden by perigynia. Staminate scales 4.2–5.8 × 1.4–2 mm, apex acute, sharp or blunt. Perigynia appressed-ascending, the proximal not reflexed, 5.5–7.8 × 2–3 mm, smooth; beak 2.3–2.9 mm, often sparingly scabrous. Achenes sides often concave, 2–2.6 × 1.4–1.7 mm, 1.2–1.9 times as long as wide; style deciduous, straight.


Phenology: Fruiting summer.
Habitat: Wet woods
Elevation: 0–1000 m

Distribution

V23 971-distribution-map.jpg

Ont., Que., Ark., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Tex., Vt., Va., W.Va., Wis.

Discussion

Carex ×deamii F. J. Hermann is a sterile hybrid described as a cross between C. shortiana Dewey and C. typhina (F. J. Hermann 1938). See comments under 407. C. shortiana.

Selected References

None.

Lower Taxa

None.

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

... more about "Carex typhina"
trigonous +
smaller +
0.2 cm2 mm <br />0.002 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
beaked +  and truncate +
blunt;sharp;acute;blunt;sharp;acute +
Bruce A. Ford +  and A. A. Reznicek +
Michaux +
rounded-tapering +  and tapering +
1.2 +  and 3.8 +
bidentate +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.29 cm2.9 mm <br />0.0029 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 +
Carex massette +
redbrown +  and brown +
round +  and trigonous +
30 cm300 mm <br />0.3 m <br /> (80 cm800 mm <br />0.8 m <br />) +
Ont. +, Que. +, Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Iowa +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, S.C. +, Tenn. +, Tex. +, Vt. +, Va. +, W.Va. +  and Wis. +
0–1000 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Wet woods +
prophyllate +  and pedunculate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.39 cm3.9 mm <br />0.0039 m <br /> (0.87 cm8.7 mm <br />0.0087 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
stipitate +, sessile +  and many-veined +
appressed-ascending +
Fruiting summer. +
2-3(-4)-carpellate +
pistillate +  and staminate +
1 cm10 mm <br />0.01 m <br /> (4.3 cm43 mm <br />0.043 m <br />) +
oblong +  and elliptic +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
3 (?) +  and 1 (?) +
thread-like;leaflike +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.78 cm7.8 mm <br />0.0078 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Fl. Bor.-Amer. +
adventitious +
staminate +  and pistillate +
basal +  and proximal +
2-keeled +
0.14 cm1.4 mm <br />0.0014 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 +
straight +
deciduous +
2-3(-4)-fid +
Carex typhinoides +
Carex typhina +
Carex sect. Squarrosae +
species +
gyncecandrous +  and staminate +
0.3 cm3 mm <br />0.003 m <br /> (?) +
plant +  and cespitose +