Eleocharis torticulmis

Eleocharis torticulmis is a rare species of flowering plant in the sedge family known by the common names twisted spikerush and twist-stem spikerush. It is endemic to Plumas County, California, where it is known from two locations within a kilometer of each other in the Butterfly Valley Botanical Area.[1][2] It grows in open wet habitat such as fens and meadows. It was separated from Eleocharis suksdorfiana and described to science as a new species in 2001.[3]

Eleocharis torticulmis

Critically Imperiled  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Eleocharis
Species:
E. torticulmis
Binomial name
Eleocharis torticulmis
S.G.Sm.

This perennial spikerush grows from a tiny rhizome and a small, hard caudex. It produces a tuft of erect stems 20 to 40 centimeters tall. Each stem is spirally twisted and contracted near the tip, becoming somewhat flattened. The spikelet is under a centimeter long and contains up to 10 tiny flowers.

References
  1. Flora of North America
  2. The Nature Conservancy
  3. Smith, S. G. (2001). Taxonomic innovations in North American Eleocharis (Cyperaceae). Novon 11:2 241-57.


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