Suaeda pulvinata

Suaeda pulvinata is an endemic seepweed from Mexico. It lives in the shores of Lake Texcoco and Lake Totolcingo. It lives underwater as an aquatic plant for half of the year and in dry land as a terrestrial plant for the other half due to the changing levels of the lakes that it inhabits.[2] It is a perennial flat herb with prostrate stems. Its leaves and inflorescences are green to reddish in color.[3]

Suaeda pulvinata
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Amaranthaceae
Genus: Suaeda
Species:
S. pulvinata
Binomial name
Suaeda pulvinata
Alvarado Reyes & Flores Olv.[1]

This species is important for people that live in the states of Puebla and Tlaxcala, as it is an edible vegetable. The dish that is prepared using this species is known as romeritos.[4]

It has been found in molecular phylogenetic studies that this taxon is monophyletic.[5] Due to differences in its phylogenetic position in its nuclear ITS tree and its chloroplast rpl32-trnL tree, it is thought this species is the result of hybridization of ancestral species of Suaeda.[6]

The first scientific collector who found this plant was Efraim Hernandez Xolocotzi. Later, it was cited by Guadalupe Ramos in her university degree thesis. However, she misidentified it for S. nigra. It was in 2013 that Ernesto Alvarado Reyes and Hilda Flores Olvera noticed it was a different species.[7]

References
  1. International Plant Names Index. 43. Retrieved 16 August 2015.
  2. Reyes, Ernesto Alvarado; Flores-Olvera, Hilda (2013). "Suaeda pulvinata (Chenopodiaceae), a new species from saline lakes of central Mexico". Willdenowia. 43 (2): 309–314. doi:10.3372/wi.43.43211.
  3. Reyes, Ernesto Alvarado; Flores-Olvera, Hilda (2013). "Suaeda pulvinata (Chenopodiaceae), a new species from saline lakes of central Mexico". Willdenowia. 43 (2): 309–314. doi:10.3372/wi.43.43211.
  4. "Anatomia foliar de dos especies comestibles de romerito" (PDF). Retrieved 16 August 2015.
  5. Brandt, Ronny (2015). "Phylogeny and biogeography of Suaeda subgen. Brezia (Chenopodiaceae/Amaranthaceae) in the Americas". Plant Systematics and Evolution. 301 (10): 2351–2375. doi:10.1007/s00606-015-1233-y.
  6. Brandt, Ronny (2015). "Phylogeny and biogeography of Suaeda subgen. Brezia (Chenopodiaceae/Amaranthaceae) in the Americas". Plant Systematics and Evolution. 301 (10): 2351–2375. doi:10.1007/s00606-015-1233-y.
  7. Reyes, Ernesto Alvarado; Flores-Olvera, Hilda (2013). "Suaeda pulvinata (Chenopodiaceae), a new species from saline lakes of central Mexico". Willdenowia. 43 (2): 309–314. doi:10.3372/wi.43.43211.


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