Ovateleaf Flatsedge

Herbs, perennial, cespitose, (15–)30–100 cm. Culms not basally cormlike, trigonous, (15–)30–100 cm × 1–3 mm, glabrous. Leaves V-shaped, 10–65 cm × 2–4 mm. Inflorescences: spikes densely ovoid to cylindric, 8–17 mm wide; rays 1–6, 2–10 cm, glabrous; rachis 4–8 mm; bracts 3–9, ± horizontal, flat, 4–20 cm × 2–4 mm; rachilla persistent, wings deciduous, 0.2(–0.3) mm wide. Spikelets 30–80, oblong-lanceoloid, ± terete-quadrangular, 4–7 × 1.5–2 mm; distal spikelet spreading or ascending; floral scales persistent, 4–6, appressed, stramineous, laterally 3-ribbed, oblong-elliptic, 1.9–2.6 × 1.1–1.5 mm. Flowers: anthers 0.3–0.5 mm; styles 0.5 mm; stigmas 1–2 mm. Achenes brown, ± stipitate, oblong-fusiform, 1.2–1.5 × 0.4–0.6 mm, apex ± acute, surfaces puncticulate.

Ala., Fla., Ga., Miss., N.C., S.C.

Fruiting spring–summer.

Sandy soils of beaches, coastal woods; 0–100m.

Cyperus cylindricus Chapman; C. deeringianus Britton & Small; C. litoreus (C. B. Clarke) Britton; C. pollardii Britton; C. retrorsus Chapman var. curtisii (C. B. Clarke) Kükenthal; C. retrorsus var. deeringianus (Britton & Small) Fernald & Griscom; C. winkleri Britton & Small; Mariscus curtisii C. B. Clarke; M. litoreus C. B. Clarke

Cyperus ovatus is a species of sedge that is native to south eastern parts of North America and some islands of Caribbean.

Cyperus ovatus adalah spesies tumbuhan yang tergolong ke dalam famili Cyperaceae. Spesies ini juga merupakan bagian dari ordo Poales. Spesies Cyperus ovatus sendiri merupakan bagian dari genus Cyperus. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh Baldwin.

Cyperus ovatus là loài thực vật có hoa trong họ Cói. Loài này được Baldwin mô tả khoa học đầu tiên năm 1825.