Rhynchospora eximia

(Nees) Boeckeler

Linnaea 37: 601. 1873.

Basionym: Spermodon eximius Nees in B. Seemann, Bot. Voy. Herald, 222. 1854
Synonyms: Psilocarya schiedeana (Nees) Liebmann Rhynchospora oxycephala C. Wright Rhynchospora psilocaroides Grisebach
Treatment appears in FNA Volume 23. Treatment on page 216. Mentioned on page 202, 215, 217.
Revision as of 21:07, 16 December 2019 by FNA>Volume Importer
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Plants perennial or annual, single or cespitose, (10–)20–50 cm; rhizomes absent. Culms spreading to erect, leafy, obtusely triangular. Leaves often exceeding inflorescences; blades narrowly linear, proximally flat, 1–3 mm wide, apex trigonous, tapering. Inflorescences terminal and axillary, clusters of 1–5 corymbs; leafy bracts much exceeding corymbs. Spikelets few to several, on ascending, stiff, short-to-elongate branches, red-brown to brown, lanceoloid, (5–)6–10 mm, apex acuminate; fertile scales many, ovate, shallowly convex, 5 mm, apex acuminate; midrib short-excurrent or not. Flowers: perianth absent. Fruits 1.5 mm; body dark brown to black, tumidly lenticular, nearly orbicular, 0.8–0.9 × 0.6–0.7 mm, margins grooved, discontinuous with tubercle; surfaces transversely wavyrugose, ridges of contiguous rows of vertical, linear, raised cells; tubercle broad, low triangular, 0.2–0.3 mm, crustaceous, base capping fruit summit, raised at ends, apex shortacuminate.


Phenology: Fruiting all year.
Habitat: Moist to wet sandy peaty swales, pond shores, depressions in savannas, moist waste areas
Elevation: 0–100[–1000] m

Distribution

V23 374-distribution-map.jpg

Fla., Mexico, West Indies, Central America, South America, Africa.

Discussion

Rhynchospora eximia is often found at elevations from near sea level to over 1000 m in the tropics.

Selected References

None.

Lower Taxa

None.
... more about "Rhynchospora eximia"
Robert Kral +
(Nees) Boeckeler +
Spermodon eximius +
Fla. +, Mexico +, West Indies +, Central America +, South America +  and Africa. +
0–100[–1000] m +
Moist to wet sandy peaty swales, pond shores, depressions in savannas, moist waste areas +
Fruiting all year. +
Psilocarya schiedeana +, Rhynchospora oxycephala +  and Rhynchospora psilocaroides +
Rhynchospora eximia +
Rhynchospora +
species +