Kyllinga brevifolia
Descr. Icon. Rar. Pl., 13, plate 4, fig. 3. 1773.
Plants perennial, cespitose or not, long-creeping rhizomatous. Culms sometimes spaced to 3 cm apart, (5–) 12–25 (–55) cm, smooth. Leaves flat, 2–21 cm × 1.5–3.5 mm. Inflorescences: spikes 1–3, 4–7 × 4 mm; bracts 3–4, longest ± erect, others ascending to horizontal, flat, 1.5–18 cm × 1–3.3 mm. Spikelets (20–) 40–60 (–100), pale greenish or reddish-brown, ovate, (2.2–) 2.5–2.8 (–3.2) × (0.6–) 0.7–0.8 (–1.2) mm; floral scales laterally 2–3-veined, elliptic to ovate, 1.8–3 × (0.8–) 1.1–1.6 mm, midvein not winged, apex mucronate; stamens (1–) 2; anthers 0.8–1.1 mm; style 0.6–1.2 mm; stigmas 0.5–1.5 mm. Achenes brown, substipitate or stipitate, ellipsoid to oblongellipsoid, 1–1.2 (–1.3) × 0.6–0.8 mm, stipe, if present, 0.1–0.2 mm, apex obtuse to subtruncate, apiculate, papillate.
Phenology: Fruiting summer.
Habitat: Damp grasslands, shorelines, ditches, croplands
Elevation: 0–200 m
Distribution
Ala., Calif., Fla., Ga., La., Miss., N.C., Okla., S.C., Tex., Mexico, West Indies, Central America, South America, Asia, Africa, Australia
Discussion
Reports of Kyllinga brevifolia from Connecticut, Delaware, Maryland, New Jersey, Pennsylvania, and Virginia should be referred to as K. gracillima.
Selected References
None.
Lower Taxa
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