Compilation
Websteria confervoides

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Name

Identification
Websteria confervoides (Poir.) S.S.Hooper [family CYPERACEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Scirpus submersus
  • Websteria confervoides
  • Rhynchospora ruppioides

Flora

Entry for Websteria confervoides (Poiret) S. S. Hooper [family CYPERACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 23,
Names
Websteria confervoides (Poiret) S. S. Hooper [family CYPERACEAE], Kew Bull., 26: 582. 1972
Scirpus confervoides Poiret [family CYPERACEAE], in J. Lamarck et al., Encycl., 6: 755. 1805
Rhynchospora ruppioides Bentham [family CYPERACEAE]
Scirpus submersus C. Wright [family CYPERACEAE]
Websteria limnophila S. H. Wright [family CYPERACEAE]
Websteria submersa (C. Wright) Britton [family CYPERACEAE]
Information
Culms: primary ones pale green, 175 cm × 0.6 mm; stems green, 10 cm × 0.05 mm. Leaves: sheaths pale brown or red-brown, 7–10 mm. Spikelets: scales pale brown to green with red or purple marks, midvein colorless or green, lanceolate, 5–12 × 0.5–1.6 mm, margins scarious. Achenes pale brown to red-brown, ellipsoid, 2 × 1.2–1.5 mm; beak 1.4–2 × 0.2–0.3 mm.
Phenology Fruiting
fall
sep
oct
nov
Altitude range
0–50 m;
Distribution
West IndiesCentral AmericaSouth AmericaAsia (India)Asia (Malesia)Asia (Sri Lanka)Africa (including Madagascar)n Australia.USA Fla.USA Ga.
Discussion
Sterile aquatic specimens of several species of Eleocharis have been confused with Websteria confervoides. Sterile specimens of W. confervoides can be recognized, with some confidence, by their pale, relatively stout main stems with numerous, very slender green branches, the somewhat enlarged nodes, long (to 11 mm) bracts subtending branches, and the usually reddish abscission zone of the bracts. Correctly identified specimens have been seen only from Florida and Georgia.

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