Kyllinga squamulata
Enum. Pl. 2: 381. 1805.
Common names: Crested greenhead sedge
IntroducedIllustrated
Synonyms: Cyperus metzii (Hochstetter ex Steudel) Mattfeld & Kükenthal
Plants annual, cespitose, not rhizomatous. Culms 5–35 cm, smooth. Leaves flat, 5–30 cm × 1.5–2 mm. Inflorescences: spike 1, subglobose, 6–10 mm diam.; bracts 3–4, horizontal to slightly reflexed, flat, 1–6 cm × 1–2 mm. Spikelets 50–70(–100), stipitate, ovate, 2.5–4 × 2–3 mm; floral scales dull greenish white to stramineous, midvein with laciniate keel ± as long as scale, 1 mm wide, laterally 2-veined, ovate, 2.2–3.8 × 2 mm, acuminate; stamens (1–)2; anthers 2 mm; style 1 mm; stigmas 1.5–2 mm. Achenes chestnut brown to purplish brown, ovoid, 1.5–2 × 1.2 mm, base sessile, apex apiculate, puncticulate.
Phenology: Fruiting summer.
Habitat: Lawns, farmlands
Elevation: 0–50 m
Distribution
Introduced; Fla., West Indies, native tropical Asia.
Discussion
Selected References
None.
Lower Taxa
None.