Difference between revisions of "Rhynchospora pleiantha"
Rhodora 46: 171. 1944.
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|genus=Rhynchospora | |genus=Rhynchospora | ||
|species=Rhynchospora pleiantha | |species=Rhynchospora pleiantha | ||
Latest revision as of 20:40, 5 November 2020
Illustrator:
Copyright:
Plants perennial, densely cespitose, 10–40(–53) cm; rhizomes stoloniferous, slender. Culms erect to excurved, leafybased, filiform. Leaves shorter than culm; blades ascending to excurved, filiform, proximally to 1 mm wide, margins involute, apex trigonous, subulate, tapering. Inflorescences: spikelet clusters 1–3, laterals 0–2, turbinate, rarely hemispheric; leafy bracts setaceous, overtopping inflorescence. Spikelets redbrown, narrowly lanceoloid, 5–7 mm, apex acute; fertile scales lanceolate, 3.5–5 mm, apex acute, mucronate. Flowers: perianth absent. Fruits 2(–5) per spikelet, (1.7–)2–2.2 mm; body on short, setulose receptacular stipe, brown with pale center, obovoidlenticular, 0.8–1.1 mm, surfaces very finely longitudinally lined, sometimes faintly reticulatecancellate; tubercle triangular subulate, 0.7–0.9 mm, base lunate, edges setulose.
Phenology: Fruiting late spring–fall.
Habitat: Sands and peats of pond shores and moist pine savannas, particularly in karst districts
Elevation: 0–200 m
Distribution
Ala., Fla., Ga., N.C., West Indies (Cuba).
Discussion
Selected References
None.