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.

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

V23 959-distribution-map.jpg

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.
... 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 +
A. A. Reznicek +
shortened +
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 +
6mm;11mm +
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 +
0.45 cm4.5 mm <br />0.0045 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
basal +  and proximal +
lanceolate;lanceolate-ovate +
1.5mm;2mm +
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 +