|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Cyperaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Annual, perennial herb, generally forming mats, glabrous, internal air cavities evident; caudex generally 0; rhizomes generally evident, long, scaly, bulb or tuber at tip generally 0. Stem: simple, generally erect, smooth, generally not hollow; tip generally not rooting. Leaf: 2, basal, blades 0 or tooth-like, <= 1 mm. Inflorescence: inflorescence bracts 0; spikelet terminal, 1, generally ovate, not +- flat [(+- flat)], generally not forming plantlets, flowers 3--100+; flower bracts spiraled [(2-ranked)], each with 1 flower in axil, generally ovate, generally brown, generally membranous, smooth, tip generally acute to obtuse, notch 0; basal flower bract generally encircling stem, generally < 1/2 spikelet, flower generally 0. Flower: bisexual; perianth parts reduced to bristles, 0--8, generally +- <= fruit, barbs generally recurved; stamens generally 3; style 1, thread-like, base enlarged, generally persistent on fruit as tubercle. Fruit: generally obovate, generally brown; tubercle (0 or) generally distinct, generally pyramidal.
Ecology: Wetland obligates. Species In Genus: +- 200 species: tropics to boreal. Etymology: (Greek heleios, dwelling in a marsh, and Charis, grace) Note: Eleocharis lanceolata Fernald, Eleocharis equisetoides Torr. not in California.
eFlora Treatment Author: S. Galen Smith
Jepson Online Interchange
Key to EleocharisPrevious taxon: Dulichium arundinaceum var. arundinaceum
Next taxon: Eleocharis acicularis
Citation for this treatment: S. Galen Smith 2017. Eleocharis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=8907, accessed on January 19, 2017.