Cyperus lecontei

Torrey ex Steudel

Syn. Pl. Glumac. 2: 21. 1855.

IllustratedEndemic
Synonyms: Cyperus dentatus var. multiradiatus Torrey Cyperus multiradiatus (Torrey) C. Mohr
Treatment appears in FNA Volume 23. Treatment on page 151. Mentioned on page 144, 150.

Herbs, perennial, cespitose, rhizomatous, with stolons, lacking tubers. Culms trigonous, 10–50 cm × 1–3 mm. Leaves flat to V-shaped, 10–40 cm × 2–5 mm. Inflorescences: heads digitate, 10–40 mm diam.; rays 5–12, 1–12 cm; 2d order rays 1–3 cm; bracts 3–5, horizontal, flat to V-shaped, 1–15 cm × 1–2 mm. Spikelets (1–) 2–4 (–6), oblong to linear, compressed, 5–25 × 2.8–3.6 mm; floral scales 20–60, stramineous or reddish green, laterally weakly 3-ribbed, ovate-elliptic, 2.5–3 × 1–1.8 mm. Flowers: stamens 3; anthers 1–1.3 mm; styles 0.6 mm; stigmas 1.5 mm. Achenes reddish-brown, sessile, ovoid, 0.7–0.8 × 0.4–0.5 mm, apex obtuse, apiculate or not, surfaces glabrous.


Phenology: Fruiting summer.
Habitat: Emergent shorelines
Elevation: 0–100(–300) m

Distribution

V23 228-distribution-map.jpg

Ala., Fla., La., Miss., N.C., S.C.

Discussion

Selected References

None.

Lower Taxa

None.

"shortened" is not a number.

... more about "Cyperus lecontei"
reddish-brown +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
0.4mm;0.5mm +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
not +  and apiculate +
Gordon C. Tucker* +, Brian G. Marcks* +  and J. Richard Carter * +
Torrey ex Steudel +
persistent +  and deciduous +
decurrent +
w--shaped +  and keeled +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
1 cm10 mm <br />0.01 m <br /> (15 cm150 mm <br />0.15 m <br />) +
flat +  and v-shaped +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
parallel +  and divergent +
terete +, rolled +  and plicate +
10 cm100 mm <br />0.1 m <br /> (50 cm500 mm <br />0.5 m <br />) +
scabridulous +
trigonous +
1mm;3mm +
Ala. +, Fla. +, La. +, Miss. +, N.C. +  and S.C. +
0–100(–300) m +
reddish green +  and stramineous +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
ovate-elliptic +
0.1 cm1 mm <br />0.001 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
hypogynous +  and subtending +
biconvex +  and trigonous +
Emergent shorelines +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
subumbellate +  and capitate +
spreading +  and erect +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
10 cm100 mm <br />0.1 m <br /> (?) +  and 40 cm400 mm <br />0.4 m <br /> (?) +
flat +  and v-shaped +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
Fruiting summer. +
2-3(-4)-carpellate +
antrorse +  and extrorse +
3 (?) +  and 1 (?) +
Syn. Pl. Glumac. +
unequal +
5 +  and 12 +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
adventitious +
basal +  and proximal +
cylindric;compressed +
cylindric +
W1 +, Illustrated +  and Endemic +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
compressed;oblong;linear +
2.8mm;3.6mm +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
1.5 cm15 mm <br />0.015 m <br /> (?) +
2-3-fid +
0.6 cm6 mm <br />0.006 m <br /> (?) +
Cyperus dentatus var. multiradiatus +  and Cyperus multiradiatus +
Cyperus lecontei +
Cyperus subg. Pycnostachys +
species +
herb +  and cespitose +