Acanthostachys is a genus of the botany family Bromeliaceae, subfamily Bromelioideae. The genus name is from the Greek “acanthos” (thorny, spiny) and “stachys” (a flower spike).[Forzza, R. C. 2010. Lista de espécies Flora do Brasil . Jardim Botânico do Rio de Janeiro, Rio de Janeiro][Smith, L.B. & R. J. Downs. 1979. Bromelioideae (Bromeliaceae), Part III. Flora Neotropica, Monograph 14(3): 1493–2142.]
Species
There are three known species, all endemic to South America:[ Kew World Checklist of Selected Plant Families]
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Acanthostachys pitcairnioides (Mez) Rauh & Barthlott (distribution : Northeast Brazil)
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Acanthostachys calcicola Marcusso & Lombardi (distribution : central Brazil)
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Acanthostachys strobilacea (Schultes f.) Klotzsch (distribution : Brazil, Paraguay, Argentina)
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