Carex elliottii

Schweinitz & Torrey

Ann. Lyceum Nat. Hist. New York 1: 357. 1825.

IllustratedEndemic
Basionyms: Carex castanea Elliott Sketch Bot. S. Carolina 2: 546. 1824,
Treatment appears in FNA Volume 23. Treatment on page 505. Mentioned on page 503.

Plants cespitose; rhizomes short. Culms trigonous in cross-section, 25–75 cm, scabrous distally. Leaves: basal sheaths reddish purple; ligules wider than long; blades dark green, flat to W-shaped, widest leaves 1.5–4.5 mm wide, glabrous. Inflorescences 1.7–10 (–15.5) cm; proximal bract 7–24 cm, much exceeding inflorescence; proximal 1–3 spikes pistillate erect, ca. 3–20-flowered, globose or short-ovoid; terminal 1 (–2) spikes staminate. Pistillate scales ovate, 2.8–4.2 × 2–2.6 mm, shorter than perigynia, margins entire, apex obtuse to acute, awnless. Perigynia ascending to spreading, the proximal reflexed, often green or straw colored, strongly 7–11-veined, veins running into beak, narrowly ovate, 5.6–8.8 × 1.6–2.7 mm, apex tapered; beak 1.4–3 (–4.5) mm, bidentulate, smooth, teeth straight, 0.3–1 mm. Stigmas 3. Achenes brown, symmetric, not indented, trigonous, smooth.


Phenology: Fruiting Apr–May.
Habitat: Acidic soil in swamp forests and forest openings, open seeps, sandy and peaty pond shores, uncommon and local
Elevation: 0–200 m

Distribution

V23 938-distribution-map.jpg

Ala., Fla., Ga., N.C., S.C.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Carex elliottii"
trigonous;not indented +
not papillose +
A. A. Reznicek +  and Bruce A. Ford +
Schweinitz & Torrey +
shortened +
not +  and fibrous +
truncate +  and rounded +
Carex castanea +
bidentulate +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
emarginate +  and bidentate +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
flat +  and w-shaped +
0mm;20mm +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
scale-like +  and leaflike +
parallel +  and divergent +
terete +, rolled +  and plicate +
brown +, reddish-brown +  and reddish purple +
trigonous +
25 cm250 mm <br />0.25 m <br /> (75 cm750 mm <br />0.75 m <br />) +
Ala. +, Fla. +, Ga. +, N.C. +  and S.C. +
0–200 m +
open +, pistillate +  and staminate +
hypogynous +  and subtending +
biconvex +  and trigonous +
Acidic soil in swamp forests and forest openings, open seeps, sandy and peaty pond shores, uncommon and local +
10 cm100 mm <br />0.1 m <br /> (15.5 cm155 mm <br />0.155 m <br />) +
1.7 cm17 mm <br />0.017 m <br /> (10 cm100 mm <br />0.1 m <br />) +
prophyllate +, pedunculate +  and pistillate +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
basal +  and cauline +
wider than long +
with (1-)3-6(-30) bristles and/or scales +
stipitate +  and 0-25-veined +
ascending +  and spreading +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Fruiting Apr–May. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
short-sheathed +, sheathless +  and leaflike +
7 cm70 mm <br />0.07 m <br /> (24 cm240 mm <br />0.24 m <br />) +
Ann. Lyceum Nat. Hist. New York +
adventitious +
green +  and dark-brown +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
basal +  and proximal +
2mm;2.6mm +
septate-nodulose +
Illustrated +  and Endemic +
staminate +, 3-20-flowered +  and pistillate +
short-ovoid;globose +
1 (?) +  and 3 (?) +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
persistent +
2-3(-4)-fid +
Carex elliottii +
Carex sect. Vesicariae +
species +
straight +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.56 cm5.6 mm <br />0.0056 m <br /> (0.88 cm8.8 mm <br />0.0088 m <br />) +
1.6mm +  and 2.7mm +
plant +  and cespitose +
1.5mm +  and 4.5mm +