Eleocharis tuberculosa

Eleocharis tuberculosa, the cone-cup spikerush or large-tubercled spikerush, is a plant species native to the United States and Canada. It has been reported from every state on the Gulf and Atlantic coasts from Maine to Texas, plus Kentucky, Tennessee, Arkansas and Nova Scotia. It is found in wet soil in meadows, woodlands, lake shores and river banks.^[3][4][5]

Clade:Tracheophytes

Clade:Angiosperms

Clade:Monocots

Clade:Commelinids

Quick facts Scientific classification, Binomial name ...

Eleocharis tuberculosa
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Cyperaceae
Genus:	Eleocharis
Species:	E. tuberculosa
Binomial name
Eleocharis tuberculosa (Hartmann) O. Schwarz
Synonyms[1][2]
Bulbostylis tuberculosa (Michx.) Steven Chlorocharis tuberculosa (Michx.) Rikll Eleocharis tuberculosa var. pubnicoensis Fernald Eleocharis tuberculosa f. pubnicoensis (Fernald) Svenson Eleocharis tuberculosa f. retrorsa Svenson Megadenus tuberculatus (Elliott) Raf. Rhynchospora monostachya Steud. Scirpus tuberculatus Elliott Scirpus tuberculosus Michx. Trichophyllum tuberculosum (Michx.) House

Close

Eleocharis tuberculosa is a perennial herb forming dense clumps. Culms are elliptical in cross-section, up to 70 cm tall. Styles of pistillate flowers have a swollen base called a tubercule, white to pale orange-brown, often with red spots, up to 2.5 mm across.^{[3][6][7][8][9][10]}