Sagittaria macrophylla

Sagittaria macrophylla, common name papa de agua, is an aquatic plant species endemic to central Mexico (States of Jalisco, Michoacán, México, Hidalgo, and the Distrito Federal), primarily in the region close to the nation's capital. It grows in clean, shallow, slow-moving water. It is considered threatened by habitat destruction due to urbanization.[1]

Sagittaria macrophylla
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Alismataceae
Genus: Sagittaria
Species:
S. macrophylla
Binomial name
Sagittaria macrophylla

Sagittaria macrophylla produces underground tubers that are starchy and edible. These tubers and those of other species of Sagittaria are a traditional food source for the people of the region, referred to as "papa de agua," i.e., "water potato." It has large, hastate (arrow-shaped) leaves with blades up to 30 cm long. Terminal lobe is large and broadly lanceolate, while the two basal lobes are much smaller and narrower.[1][2]

References
  1. Zepeda Gómez, Carmen, Lot, Antonio. Distribución y uso tradicional de Sagittaria macrophylla Zucc. y S. latifolia Willd. en el Estado de México. Ciencia Ergo Sum [online] 2005, 12 (noviembre-febrero) : [Date of reference: 18 / abril / 2014] Available in:<http://estudiosterritoriales.org/articulo.oa?id=10412308> ISSN 1405-0269
  2. Joseph Gerhard Zuccarini. 1832. Abhandlungen der Königlich Bayerischen Akademie der Wissenschaften. Mathematisch-naturwissenschaftliche Abteilung 1: 298, Sagittaria macrophylla
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