Triplasis

Triplasis is a genus of North American plants in the grass family. Sandgrass is a common name for plants in this genus.[2] The genus name Triplasis is Greek, meaning "threefold", referring to the triple nerved lemmas.[3]

Triplasis
Triplasis purpurea
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Chloridoideae
Tribe: Cynodonteae
Subtribe: Gouiniinae
Genus: Triplasis
P.Beauv.
Type species
Triplasis americana
Synonyms[1]

Description

The plants are slender-tufted perennials or annuals with short, slender leaf blades. Their short and open purplish panicles have few flowers and terminate the culms. Axils of the leaves can bear narrow and cleistogamous panicles.

Species of the genus have few-flowered spikelets and remote florets. The slender rachillas are terete and disarticulate above the glumes and between the florets. The narrow lemmas have three nerves and two lobes.[4]

Species

The genus Triplasis includes:[5]

The genus formerly included:

  • Triplasis setacea - Tripogon spicatus

References
  1. "Triplasis P.Beauv". Kew World Checklist of Selected Plant Families. Retrieved 5 August 2018.
  2. USDA, NRCS (n.d.). "Triplasis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 December 2015.
  3. Merrit Lyndon Fernald (1970). R. C. Rollins (ed.). Gray's Manual of Botany (Eighth (Centennial) - Illustrated ed.). D. Van Nostrand Company. p. 130. ISBN 0-442-22250-5.
  4. Bulletin of the U.S. Department of Agriculture. The United States Department of Agriculture. 1921. p. 76.
  5. "The Plant List search for Triplasis". The Plant List. 2013. Retrieved 5 August 2018.
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