Kyllinga pumila

Michaux
Fl. Bor.-Amer. 1: 28. 1803.
Common names: Annual greenhead sedge
Illustrated
Synonyms: Cyperus densicaespitosus Mattfeld & Kükenthal Cyperus tenuifolius (Steudel) Dandy Kyllinga tenuifolia Steudel
Treatment appears in FNA Volume 23. Treatment on page 194. Mentioned on page 192, 193.

Herbs, annual, cespitose, not rhizomatous. Culms (5–)15–30(–55) cm, smooth. Leaves flat to V-shaped, 4–20(–30) cm × 1.5–3(–3.6) mm. Inflorescences: spikes 1–3, pale greenish, (3–)5–8(–11) × 5–7 mm; bracts (3–) 4(–5), horizontal to ascending at 30°, flat, (1–)3–10(–22) cm × 1–2.5(–3) mm. Spikelets 50–150, lanceolate to ovate-lanceolate, (1.9–)2.4–2.8(–3.8) × 0.6–0.9 mm; floral scales pale brownish to transparent, midvein not winged, laterally 2–3(–4)-veined, ovate, (1.8–)2.2–3.1(–3.4) × 1–1.7 mm; stamens 2; anthers elliptic, (0.2–)0.3–0.4 mm; style 0.5–0.8 mm; stigmas 0.5–0.9 mm. Achenes light brown, stipitate, oblong, 1–1.2(–1.4) × 0.5–0.6(–0.7) mm, base cuneate to rounded, stipe to 0.1 mm, apex subtruncate, apiculate, finely papillose.


Phenology: Fruiting summer.
Habitat: Damp grasslands, shorelines, ditches, lawns, gardens
Elevation: 0–200 m

Distribution

V23 340-distribution-map.jpg

Ala., Ark., Del., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va., Mexico, West Indies, Central America, South America, Africa.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Kyllinga pumila"
Gordon C. Tucker +
Michaux +
Annual greenhead sedge +
Ala. +, Ark. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Md. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, S.C. +, Tenn. +, Tex. +, Va. +, W.Va. +, Mexico +, West Indies +, Central America +, South America +  and Africa. +
0–200 m +
Damp grasslands, shorelines, ditches, lawns, gardens +
Fruiting summer. +
Fl. Bor.-Amer. +
Illustrated +
Cyperus densicaespitosus +, Cyperus tenuifolius +  and Kyllinga tenuifolia +
Kyllinga pumila +
Kyllinga +
species +