Difference between revisions of "Cyperus ovatus"
Trans. Amer. Philos. Soc., n. s. 2: 168. 1825.
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Revision as of 19:08, 24 September 2019
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.
Phenology: Fruiting spring–summer.
Habitat: Sandy soils of beaches, coastal woods
Elevation: 0–100 m
Distribution
Ala., Fla., Ga., Miss., N.C., S.C.
Discussion
Selected References
None.