graminoid, emergent aquatic, aquatic
May - November
0.0 - 0.4
Grows in small clumps with many hair-like culms about 0.15 m in height. Similar to Eleocharis tuberculosa in size and appearance, but has a large turbercle which is as big as the achene, while E. microcarpa has a small turbercle (the persistent base of the style that forms a cap at the apex of the achene. Stems fine and capillary, stands upright. Purple base and soft, flexible stem.
No treatment is required for germination (Steffen 1997).
Cattle may graze early herbage, otherwise it has little forage value.
Mostly in coastal areas in sandy loam soils.
Bogs, savannas, and ditches.