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]
| Chihuahuan arrowhead | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Alismatales |
| Family: | Alismataceae |
| Genus: | Sagittaria |
| Species: | S. demersa
|
| Binomial name | |
| Sagittaria demersa | |
| Synonyms[1] | |
|
Sagittaria triquetra Sessé & Moc. | |
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
edit- ^ The Plant List
- ^ NRCS. "Sagittaria demersa". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 26 October 2015.
- ^ a b Haynes, R. R. & L.B. Holm-Nielsen. (1994). The Alismataceae. Flora Neotropica 64: 1–112.
- ^ "Sagittaria demersa in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2017-01-30.
- ^ Biota of North American Program, Sagittaria demersa
- ^ Sessé y Lacasta, Martín & Mociño, José Mariano. 1894. Flora Mexicana, Edition 2, Sagittaria triquetra
- ^ 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.
