Chihuahuan arrowhead
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Alismataceae
Genus: Sagittaria
Species:
S. demersa
Binomial name
Sagittaria demersa
J.G.Sm.
Synonyms[1]

Sagittaria triquetra Sessé & Moc.

Sagittaria demersa, commonly called Chihuahuan arrowhead,[2] is an annual aquatic plant growing up to 60 centimetres (24 inches) tall. The leaves are flat, very long and narrow, up to 55 cm (22 in) long but rarely more than 7 millimetres (1⁄4 in) across.[3]

The species is native to north-central Mexico (Chihuahua, Durango. Hidalgo, Aguascalientes, Jalisco and Querétaro) and also from a few sites in the northern part of the US State of New Mexico (Mora and Colfax Counties).[4][5][6][7] The plant occurs mostly submerged in streams and lakes.[3]

References

  1. ↑ The Plant List
  2. ↑ USDA, NRCS (n.d.). "Sagittaria demersa". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 26 October 2015.
  3. 1 2 Haynes, R. R. & L.B. Holm-Nielsen. (1994). The Alismataceae. Flora Neotropica 64: 1–112.
  4. ↑ "Sagittaria demersa in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-01-30.
  5. ↑ Biota of North American Program, Sagittaria demersa
  6. ↑ Sessé y Lacasta, Martín & Mociño, José Mariano. 1894. Flora Mexicana, Edition 2, Sagittaria triquetra
  7. ↑ Lot, Antonio; Ramos, Francisco; García, Pedro Ramírez (2002-01-01). "Sagittaria demersa (Alismataceae) en la Sierra Tarahumara, México". Anales del Instituto de Biología. Serie Botánica (in Spanish). Retrieved 2017-01-30.
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