Kyllinga odorata |
Kyllinga gracillima |
|
---|---|---|
fragrant spikesedge, whitehead sedge |
Asiatic greenhead sedge, pasture greenhead-sedge, pasture spikesedge |
|
Habit | Plants perennial, densely cespitose, rhizomatous. | Plants perennial, not cespitose, long-creeping rhizomatous. |
Culms | (5–)10–25(–45) cm, smooth. |
10–35(–50) cm, smooth. |
Leaves | flat to slightly folded, (6–)10–20(–30) cm × 2–3(–4) mm. |
flat, 10–30 cm × 1–3.5 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, ovoid, 7–12 × 6–10 mm; bracts 3–4, horizontal to slightly reflexed, flat, 2–20(–30) cm × 1–3 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. |
40–80, pale greenish or reddish brown, ovate, 3.5–4.5 × 1.2–1.3(–1.4) mm; floral scales laterally 2(–5)-veined, elliptic, 1.8–3.2 × 1–1.6 mm, apex mucronate; stamens 2–3; anthers 0.8–1.1 mm; style 1.8–2.2 mm; stigmas 0.5–1 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. |
brown, sessile or stipitate, broadly ellipsoid, 1.5–1.8 × 0.8–1 mm, stipe, if present, to 0.1 mm, apex obtuse, apiculate, puncticulate. |
Kyllinga odorata |
Kyllinga gracillima |
|
Phenology | Fruiting summer. | Fruiting summer. |
Habitat | Damp grasslands | Muddy banks of streams and estuaries |
Elevation | 0–200 m (0–700 ft) | 0–1000 m (0–3300 ft) |
Distribution |
AL; AR; FL; GA; LA; MS; NC; NM; OK; SC; TX; Mexico; Central America; South America; West Indies; Asia; Africa; Australia
|
AL; AR; CT; DE; GA; KY; MD; MS; NC; NJ; NY; PA; TN; VA; temperate e 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 brevifolioides, K. brevifolia var. gracillima, K. brevifolioides |
Name authority | Vahl: Enum. Pl. 2: 382. (1805) | Miquel: Ann. Mus. Bot. Lugduno-Batavi 2: 142. (1866) |
Web links |