Carex gigantea

Rudge

Trans. Linn. Soc. London 7: 99, plate 10, fig. 2. 1804.

IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 514. Mentioned on page 511, 513.
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Plants loosely cespitose or not, long-rhizomatous. Culms solitary or not, erect, 35–120 cm. Leaves 4–8; basal sheaths reddish to brownish; sheath of distal leaf 5–20 cm; ligules triangular, 4.5–35 mm; blades 20–60 cm × 5–16 mm. Inflorescences 15–40 cm; peduncles of basal 2 pistillate spikes 5–20 cm apart; of terminal 3–8 cm shorter than to somewhat exceeding the distal pistillate spike; bracts leafy, sheath 0.5–5 cm, blades 30–60 cm × 6–11 mm. Spikes: proximal pistillate spikes 2–5 per culm, ± separate, 20–75-flowered, cylindric, 3–8 × 2–3 cm; terminal staminate spikes 1–5, 2–8 cm × 2–4 mm. Pistillate scales 3–5-veined, lanceolate to lanceolate-ovate, 4.5–10.5 × 1.5–2 mm. Anthers 3, 2.8–5 mm. Perigynia stiffly spreading at right angles to rachis, lanceoloid to lanceovoid, 11–18 × 4–6 mm, shiny, glabrous; beak conic, 6–9 mm. Achenes broadly stipitate, obconic with rounded to truncate summit and concave faces, angles strongly thickened, 2.2–2.6 × 2.7–3 mm; style same texture as achene.


Phenology: Fruiting late spring–early summer.
Habitat: Wet swamp forests, forest openings, open swamps
Elevation: 0–400 m

Distribution

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Ala., Ark., Del., Fla., Ga., Ill., Ind., Ky., La., Md., Miss., Mo., N.C., Okla., S.C., Tenn., Tex., Va.

Discussion

Selected References

None.

Lower Taxa

None.

"shortened" is not a number.

... more about "Carex gigantea"
smaller +
0.22 cm2.2 mm <br />0.0022 m <br /> - 0.26 cm2.6 mm <br />0.0026 m <br /> +
2.7mm;3mm +
0.28 cm2.8 mm <br />0.0028 m <br /> - 0.5 cm5 mm <br />0.005 m <br /> +
hairy +  and glabrous +
beaked;tapering;obtuse;acuminate +
A. A. Reznicek +
reddish;brownish +
cuneate +  and rounded +
0.6 cm6 mm <br />0.006 m <br /> - 0.9 cm9 mm <br />0.009 m <br /> +
30 cm300 mm <br />0.3 m <br /> - 60 cm600 mm <br />0.6 m <br /> +
v--shaped +
0.6 cm6 mm <br />0.006 m <br /> - 1.1 cm11 mm <br />0.011 m <br /> +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
brown +, reddish +  and purplish +
round +  and trigonous +
35 cm350 mm <br />0.35 m <br /> - 120 cm1,200 mm <br />1.2 m <br /> +
prophyllate +, pedunculate +  and staminate +
Ala. +, Ark. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Ky. +, La. +, Md. +, Miss. +, Mo. +, N.C. +, Okla. +, S.C. +, Tenn. +, Tex. +  and Va. +
0–400 m +
concave +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Wet swamp forests, forest openings, open swamps +
15 cm150 mm <br />0.15 m <br /> - 40 cm400 mm <br />0.4 m <br /> +
septate-nodulose +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
5 cm50 mm <br />0.05 m <br /> - 20 cm200 mm <br />0.2 m <br /> +
triangular +
0.45 cm4.5 mm <br />0.0045 m <br /> - 3.5 cm35 mm <br />0.035 m <br /> +
3 cm30 mm <br />0.03 m <br /> - 8 cm80 mm <br />0.08 m <br /> +
with - 1-3-6 - -30 bristles and/or scales +
stipitate +  and 15-20-veined +
1.1 cm11 mm <br />0.011 m <br /> - 1.8 cm18 mm <br />0.018 m <br /> +
1 cm10 mm <br />0.01 m <br /> - 2 cm20 mm <br />0.02 m <br /> +
0.4 cm4 mm <br />0.004 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
Fruiting late spring–early summer. +
2-3 - -4-carpellate +
3 - ? +  and 1 - ? +
Trans. Linn. Soc. London +
adventitious +
3-5-veined +  and pistillate +
basal +  and proximal +
lanceolate;lanceolate-ovate +
0.15 cm1.5 mm <br />0.0015 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
shorter or longer +
septate-nodulose +
0.5 cm5 mm <br />0.005 m <br /> - 5 cm50 mm <br />0.05 m <br /> +
Illustrated +  and Endemic +
20-75-flowered +  and pistillate +
3 cm30 mm <br />0.03 m <br /> - 8 cm80 mm <br />0.08 m <br /> +
cylindric +
5 cm50 mm <br />0.05 m <br /> - 20 cm200 mm <br />0.2 m <br /> +
2 cm20 mm <br />0.02 m <br /> - 3 cm30 mm <br />0.03 m <br /> +
1 +  and 3 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
persistent +
2-3 - -4-fid +
rounded +  and truncate +
Carex gigantea +
Carex sect. Lupulinae +
species +
0.2 cm2 mm <br />0.002 m <br /> - 0.4 cm4 mm <br />0.004 m <br /> +
plant +, not +  and cespitose +