Difference between revisions of "Websteria"
Bull. Torrey Bot. Club 14: 135. 1887.
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Revision as of 19:07, 24 September 2019
Herbs, perennial, not cespitose, stoloniferous, aquatic. Culms many-stemmed (branched), with stems in successive false whorls, terete; whorls terminating in clusters of leaves essentially indistinguishale from stems. Leaves sheaths, tubular, transparent, or scalelike when subtending stems; ligules absent; blades absent. Inflorescences terminal; spikelets 1; involucral bracts absent. Spikelets borne singly on branches arising from among leaves; scales 2, distichous, proximal empty, distal subtending flower. Flowers bisexual; perianth bristles 6–11, straight or curved, slightly longer than achene, retrorsely spinulose; stamens 3; styles persistent, linear, 2-fid, base slightly enlarged. Achenes biconvex.
Distribution
Tropical and subtropical regions worldwide.
Discussion
Species 1.
Selected References
None.