Lipocarpha micrantha
J. Arnold Arbor. 68: 410. 1987.
Culms 2–20 cm × 0.3–0.5 mm. Leaves 1.5–10 cm × 0.3–0.5 mm. Inflorescences: spikes 1–2(–3), ovoid (to globose), 1–3(–5) × 1–2 mm, not bristly; bracts 1–2(–3), longest erect, others spreading, 2–5 cm × 0.3–0.6 mm. Spikelets: floral scales 2; 1st scale laterally yellowish to reddish brown, with green midvein, obtrullate to obovate, widest at or distal to mid length, 0.5–1 × 0.3–0.4 mm; 2d scale 2-fid, sometimes absent, 0.1–0.2 × 0.1 mm; 3d scale absent; stamen 1; anther 0.1–0.2 mm; stigmas 2. Achenes obovoid to broadly ellipsoid, 0.4–0.6(–0.7) × 0.2–0.3 mm, 1.5–2.5 times long as wide.
Phenology: Fruiting late summer–early fall.
Habitat: Emergent shorelines, rarely freshwater tidal shores
Elevation: 0–1500 m
Distribution
B.C., Ont., Que., Ala., Ariz., Calif., Conn., Fla., Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., Nebr., N.H., N.J., N.Mex., N.Y., N.C., Ohio, Okla., Pa., R.I., Tex., Va., Wash., Wis., Mexico, West Indies, Central America, South America, Africa.
Discussion
Selected References
None.