Difference between revisions of "Eleocharis (sect. Eleocharis) ser. Rostellatae"
Taxon 46: 440. 1997.
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|genus=Eleocharis | |genus=Eleocharis | ||
|section=Eleocharis sect. Eleocharis | |section=Eleocharis sect. Eleocharis | ||
Revision as of 16:05, 18 September 2019
Plants perennial, stoloniferous, with some culms arching or decumbent and rooting at tips. Rhizomes caudexlike, concealed by crowded culms, ascending or partly horizontal, very short, 3 mm thick, internodes crowded. Culms compressed, 0.3–2 mm thick. Leaves: distal leaf sheaths persistent, papery, apex obtuse to subacute, tooth absent. Spikelets terete, basal spikelets absent; floral scales spiraled, membranous to cartilaginous; styles 3-fid, or 3-fid and 2-fid. Achenes medium to dark brown, beak paler, plano-convex to trigonous or biconvex, usually distally narrowed into a distinct beak, rugulose at 10X or smooth or finely reticulate at 10–30X. Tubercles usually obscure or absent, often merging with achene apex in color, texture, and form.
Distribution
North America, Mexico, West Indies, South America.
Discussion
Species 2 (1 in the flora).
Selected References
None.