Anomochlooideae is a subfamily of the true grass family Poaceae. It is sister to all the other grasses. It includes perennial herbs that grow on the shaded floor of forests in the Neotropics. There are two genera, Anomochloa and Streptochaeta, each in its own tribe.
Description Anomochlooideae are terrestrial,Anomochlooideae in Flora e Funga do Brasil. Jardim Botânico do Rio de Janeiro. Available at: https://floradobrasil.jbrj.gov.br/FB102235 Accessed on: 04 Jan. 2025 rhizomatous, perennial herbs with pseudopetiolate, broad leaves.Kellogg, E.A. (2015). I. Subfamily Anomochlooideae Pilg. ex Potztal (1957). In: Flowering Plants. Monocots. The Families and Genera of Vascular Plants, vol 13. Springer, Cham.
Cytology The diploid chromosome count of Anomochloa is 2n = 36, and the chromosome count of Streptochaeta is 2n = 22.
Taxonomy It was validly published in 1957 by Eva Hedwig Ingeborg Potztal based on previous work from Robert Knud Friedrich Pilger.subfam. Anomochlooideae Pilg. ex Potztal. (n.d.). International Plant Names Index. Retrieved January 4, 2025, from https://www.ipni.org/n/321655-2 The type genus is Anomochloa Brongn. Evolutionary relationships This subfamily is the most early-diverging lineage of the grasses:
Conservation Anomochloa marantoidea is almost extinct in the wild.
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