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Asiatic greenhead sedge, pasture greenhead-sedge, pasture spikesedge

Habit Plants perennial, not cespitose, long-creeping rhizomatous.
Culms

10–35(–50) cm, smooth.

Leaves

flat, 10–30 cm × 1–3.5 mm.

Inflorescences

spike 1, ovoid, 7–12 × 6–10 mm;

bracts 3–4, horizontal to slightly reflexed, flat, 2–20(–30) cm × 1–3 mm.

Spikelets

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

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 gracillima

Phenology Fruiting summer.
Habitat Muddy banks of streams and estuaries
Elevation 0–1000 m (0–3300 ft)
Distribution
from FNA
AL; AR; CT; DE; GA; KY; MD; MS; NC; NJ; NY; PA; TN; VA; temperate e Asia [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 23, p. 194.
Parent taxa Cyperaceae > Kyllinga
Sibling taxa
K. brevifolia, K. odorata, K. pumila, K. squamulata
Synonyms Cyperus brevifolioides, K. brevifolia var. gracillima, K. brevifolioides
Name authority Miquel: Ann. Mus. Bot. Lugduno-Batavi 2: 142. (1866)
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