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.
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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


V23 374-distribution-map.jpg

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


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

Selected References


Lower Taxa

... 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. +
Illustrated +
Psilocarya schiedeana +, Rhynchospora oxycephala +  and Rhynchospora psilocaroides +
Rhynchospora eximia +
Rhynchospora +
species +