Comprehensive Description
provided by North American Flora
Eleocharis pachystyla (C. Wright) Clarke, Symb. Ant. 2 : 72. 1900.
Scirpus pachystyhis C. Wright in Sauv. Anal. Acad. Ci. Habana 82: 79. 1871.
Culms numerous from a short horizontal or branched-ascending rootstock, 3-5 dm. high, 1-2 mm. wide, rather soft, terete to flattened-sulcate when dry ; sheaths dark reddish-brown, not loose, oblique at the herbaceous but firm apex; spikelets obovoid, obtuse, 5-7 mm. long, often clavate at the base ; scales obtuse, thin, scarcely keeled, stramineous with brown-flecked margins, the lowest inclined to be cartilaginous ; stamens 3 ; anthers 0.7 mm. long ; style trifid; achene narrowly obovoid, trigonous, 1.5 mm. long (including the elongated stylebase), yellowish-brown, faintly striate-reticulate ; style-base one third as long as the achene body, elongated, triangular-conic, or sometimes almost falcate ; bristles dark brown, retrorsely toothed, equaling the body of the achene.
Type locality: Edge of ponds in pine woods, Pinar del Rio (C. Wright 3373). Distribution : Cuba ; Puerto Rico ; San Domingo ; Costa Rica ; northern South America.
- bibliographic citation
- Henry Knut Svenson. 1957. (POALES); (CYPERACEAE); SCIRPEAE (CONTINUATIO). North American flora. vol 18(9). New York Botanical Garden, New York, NY
