Kyllinga odorata |
Kyllinga squamulata |
|
---|---|---|
fragrant spikesedge, whitehead sedge |
Asian spikesedge, crested greenhead sedge |
|
Habit | Plants perennial, densely cespitose, rhizomatous. | Plants annual, cespitose, not rhizomatous. |
Culms | (5–)10–25(–45) cm, smooth. |
5–35 cm, smooth. |
Leaves | flat to slightly folded, (6–)10–20(–30) cm × 2–3(–4) mm. |
flat, 5–30 cm × 1.5–2 mm. |
Inflorescences | spikes 1–3(–4), whitish, ovoid to ellipsoid, 6–12(–18) × 4–8 mm; bracts (2–)3–4, horizontal, flat, (2–)3–4, 1–7(–9) cm × (0.5–)1–3(–4.5) mm. |
spike 1, subglobose, 6–10 mm diam.; bracts 3–4, horizontal to slightly reflexed, flat, 1–6 cm × 1–2 mm. |
Spikelets | (50–)75–150, ovate to ovate-lanceolate, (1.8–) 2.3–2.8(–3) × 1–1.3 mm; floral scales whitish, laterally 2–3-veined, broadly ovate, 2–2.5 × (1.3–)1.8–2.6 mm; stamens 2; anthers (0.4–)0.6–0.8(–1) mm; style 0.6–1 mm; stigmas 0.3–0.6 mm. |
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 | reddish brown to dark brown, broadly ellipsoid, 1.2–1.5 × 0.7–0.8(–0.9) mm, base whitish, stipe to 0.1 mm, apex obtuse, apiculate, puncticulate. |
chestnut brown to purplish brown, ovoid, 1.5–2 × 1.2 mm, base sessile, apex apiculate, puncticulate. |
Kyllinga odorata |
Kyllinga squamulata |
|
Phenology | Fruiting summer. | Fruiting summer. |
Habitat | Damp grasslands | Lawns, farmlands |
Elevation | 0–200 m (0–700 ft) | 0–50 m (0–200 ft) |
Distribution |
AL; AR; FL; GA; LA; MS; NC; NM; OK; SC; TX; Mexico; Central America; South America; West Indies; Asia; Africa; Australia
|
FL; West Indies; native tropical Asia [Introduced in North America] |
Source | FNA vol. 23, p. 194. | FNA vol. 23, p. 194. |
Parent taxa | Cyperaceae > Kyllinga | Cyperaceae > Kyllinga |
Sibling taxa | ||
Synonyms | Cyperus sesquiflorus, K. sesquiflora | Cyperus metzii |
Name authority | Vahl: Enum. Pl. 2: 382. (1805) | Thonning ex Vahl: Enum. Pl. 2: 381. (1805) |
Web links |