Kyllinga brevifolia |
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perennial greenhead sedge, short leaf spikesedge |
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Habit | 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 oblong-ellipsoid, 1–1.2(–1.3) × 0.6–0.8 mm, stipe, if present, 0.1–0.2 mm, apex obtuse to subtruncate, apiculate, papillate. |
Kyllinga brevifolia |
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Phenology | Fruiting summer. |
Habitat | Damp grasslands, shorelines, ditches, croplands |
Elevation | 0–200 m [0–700 ft] |
Distribution |
AL; CA; FL; GA; LA; MS; NC; OK; SC; TX; Mexico; Central America; South America; West Indies; Asia; Africa; Australia
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Discussion | Reports of Kyllinga brevifolia from Connecticut, Delaware, Maryland, New Jersey, Pennsylvania, and Virginia should be referred to as K. gracillima. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 23, p. 193. |
Parent taxa | |
Sibling taxa | |
Synonyms | Cyperus brevifolius |
Name authority | Rottbøll: Descr. Icon. Rar. Pl., 13, plate 4, fig. 3. (1773) |
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