Cyperus fuligineus

Chapman

Fl. South. U.S., 511. 1860.

Illustrated
Treatment appears in FNA Volume 23. Treatment on page 175. Mentioned on page 144, 147, 176.

Herbs, perennial, cespitose, rhizomatous. Culms trigonous, 7–30 cm × 0.5–1 mm, glabrous. Leaves V-shaped to flat, 5–20 cm × 1–2.5 mm. Inflorescences: spike hemispheric, 7–20 mm wide; rays absent; rachis 1–3 mm; bracts 2–3, reflexed, flat, 5–12 cm × 1–2 mm; rachilla deciduous, wings 0.2 mm wide. Spikelets 30–50, compressed, oblong-lanceoloid, 4–10 × 1.7–2.3 mm; floral scales deciduous, 5–12, dark reddish-brown, laterally 3–5-ribbed, ovate, 1.5–2.2 × 1–1.6 mm, apex with mucro 0.1–0.2 mm. Flowers: anthers 0.4–0.6 mm; styles 0.4–0.6 mm; stigmas 1–2 mm. Achenes black, sessile, narrowly ellipsoid, 1–1.2 × 0.5–0.6 mm, apex obtuse, apiculate, glabrous, puncticulate, or papillose.


Phenology: Fruiting spring–summer.
Habitat: Coastal rocks, exposed limestone in hammocks and edges of mangrove swamps
Elevation: 0–10 m

Discussion

Selected References

None.

Lower Taxa

None.

"shortened" is not a number.

... more about "Cyperus fuligineus"
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
ellipsoid +
0.5mm;0.6mm +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
papillose +  and puncticulate +
Gordon C. Tucker* +, Brian G. Marcks* +  and J. Richard Carter * +
Chapman +
persistent +  and deciduous +
decurrent +
w--shaped +  and keeled +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
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 +
7 cm70 mm <br />0.07 m <br /> (30 cm300 mm <br />0.3 m <br />) +
scabridulous +
trigonous +
0.5mm;1mm +
Fla. +  and West Indies +
0–10 m +
dark reddish-brown +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
hypogynous +  and subtending +
biconvex +  and trigonous +
Coastal rocks, exposed limestone in hammocks and edges of mangrove swamps +
subumbellate +  and capitate +
spreading +  and erect +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
5 cm50 mm <br />0.05 m <br /> (?) +  and 20 cm200 mm <br />0.2 m <br /> (?) +
v-shaped +  and flat +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
Fruiting spring–summer. +
2-3(-4)-carpellate +
antrorse +  and extrorse +
3 (?) +  and 1 (?) +
Fl. South. U.S., +
continuous +, articulate +, winged +  and wingless +
conspicuous +
unequal +
adventitious +
basal +  and proximal +
cylindric;compressed +
cylindric +
Illustrated +
hemispheric +
0.7 cm7 mm <br />0.007 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
30 +  and 50 +
oblong-lanceoloid;compressed +
1.7mm;2.3mm +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
2-3-fid +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
Undefined subg. Chlorocyperus +, Cyperus subg. Mariscus +  and Undefined subg. Papyrus +
Cyperus fuligineus +
Cyperus subg. Cyperus +
species +
herb +  and cespitose +