Kyllinga pumila |
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annual greenhead sedge, low spikesedge |
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Habit | 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. |
Kyllinga pumila |
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Phenology | Fruiting summer. |
Habitat | Damp grasslands, shorelines, ditches, lawns, gardens |
Elevation | 0–200 m (0–700 ft) |
Distribution |
AL; AR; DE; FL; GA; IL; IN; KS; KY; LA; MD; MO; MS; NC; NJ; NY; OH; OK; PA; SC; TN; TX; VA; WV; Mexico; Central America; South America; West Indies; Africa
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Source | FNA vol. 23, p. 194. |
Parent taxa | Cyperaceae > Kyllinga |
Sibling taxa | |
Synonyms | Cyperus densicaespitosus, Cyperus tenuifolius, K. tenuifolia |
Name authority | Michaux: Fl. Bor.-Amer. 1: 28. (1803) |
Web links |