Carex tetanica

Schkuhr

Beschr. Riedgräs., Nachtr., 68, plates Ggg, fig. 100, Oooo, fig. 207. 1806.

IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 431. Mentioned on page 424, 427, 429, 459.

Plants colonial, long-rhizomatous, vegetative shoots widely scattered and inconspicuous from deep rhizomes. Culms 15–65 cm, smooth to scabrous distally. Leaves proximal sheaths with blades, brownish or purple–tinged, slender, 1.3–3.2 mm diam.; ligules (0.6–) 1–6 mm, (0.8–) 1–2 times longer than wide; leaf-blades green, flat, 3–20 cm × 1.5–5 mm, herbaceous. Inflorescences 4–32 cm, 0.9–1.6 times as long as proximal bract; proximal bracts 4–22 cm, sheaths 0.5–5 cm, blades 3.5–17 cm; pistillate spikes ovoid to linear-cylindric, 6–40 × 3–5.8 mm; lateral spikes erect or ascending on stiff peduncles. Pistillate scales brown or purple-tinged, apex awned or obtuse. Perigynia ascending to spreading, green, 2.5–4 × 1–2.2 mm, minutely papillose; beak minute, bent. Achenes light to dark-brown, 1.8–3 × 1.2–1.6 (–1.8) mm.


Phenology: Fruiting late spring–early summer.
Habitat: Calcareous fens, bogs, and swales
Elevation: 20–1000 m

Distribution

V23 791-distribution-map.jpg

Man., Ont., Sask., Conn., Ill., Ind., Iowa, Md., Mass., Mich., Minn., Mo., N.J., N.Y., N.Dak., Ohio, Pa., S.Dak., Va., W.Va., Wis.

Discussion

See notes under 257. Carex meadii.

Selected References

None.

Lower Taxa

None.

... more about "Carex tetanica"
0.16 cm1.6 mm <br />0.0016 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
light +  and dark-brown +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
trigonous +
smaller +
1.2mm;1.6mm +
not septate-nodulose +
not +  and beaked +
papillose +  and smooth +
Paul E. Rothrock +  and A. A. Reznicek +
Schkuhr +
shortened +
tapering +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
minute +
0 cm0 mm <br />0 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
m--shaped +
3.5 cm35 mm <br />0.035 m <br /> (?) +  and 17 cm170 mm <br />0.17 m <br /> (?) +
0mm;20mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
purple +  and brown +
smooth to scabrous +
round +  and trigonous +
15 cm150 mm <br />0.15 m <br /> (65 cm650 mm <br />0.65 m <br />) +
Man. +, Ont. +, Sask. +, Conn. +, Ill. +, Ind. +, Iowa +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, N.J. +, N.Y. +, N.Dak. +, Ohio +, Pa. +, S.Dak. +, Va. +, W.Va. +  and Wis. +
20–1000 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Calcareous fens, bogs, and swales +
0.9-1.6 times as long as proximal bract +
4 cm40 mm <br />0.04 m <br /> (32 cm320 mm <br />0.32 m <br />) +
prophyllate +, pedunculate +  and pistillate +
ascending +  and erect +
3 cm30 mm <br />0.03 m <br /> (20 cm200 mm <br />0.2 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
bidentate +  and entire +
with (1-)3-6(-30) bristles and/or scales +
sessile +  and veined +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
ascending +  and spreading +
0.1 cm1 mm <br />0.001 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Fruiting late spring–early summer. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
long-sheathing +  and leaflike +
4 cm40 mm <br />0.04 m <br /> (22 cm220 mm <br />0.22 m <br />) +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
Beschr. Riedgräs., Nachtr., +
adventitious +
purple-tinged +  and brown +
basal +  and proximal +
2-keeled +
cylindric +
0.5 cm5 mm <br />0.005 m <br /> (5 cm50 mm <br />0.05 m <br />) +
inconspicuous +
Illustrated +  and Endemic +
0.6 cm6 mm <br />0.006 m <br /> (4 cm40 mm <br />0.04 m <br />) +
ovoid;linear-cylindric +
0.3 cm3 mm <br />0.003 m <br /> (0.58 cm5.8 mm <br />0.0058 m <br />) +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
deciduous +
2-3(-4)-fid +
Carex tetanica +
Carex sect. Paniceae +
species +
plant +  and colonial +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +