Taxonomy The genus Coelorachis was erected by Adolphe-Théodore Brongniart in 1831. [ 5] Two misspellings (orthographic variants) have created some confusion. In 1882, Ferdinand von Mueller used the spelling Coelorrh acis . [ 6] In 1836, Stephan Endlicher used the spelling Coelorh achis . [ 7]
As of September 2025 [ update] , sources varied in their treatment of the genus. Some treated it as a synonym of the genus Mnesithea . [ 8] [ 9] Others, like the World Flora Online , treated it as a synonym of the genus Rottboellia . [ 10] Plants of the World Online treated it as a synonym of the genus Eremochloa . [ 11]
Species [ 12] [ 13] [ 14] Coelorachis afraurita (Stapf) Stapf - tropical Africa Coelorachis aurita (Steud.) A.Camus - tropical America from Chiapas + Trinidad to Paraguay Coelorachis balansae (Hack.) A.Camus - Brazil, Argentina, Uruguay, Paraguay Coelorachis cancellata (Ridl.) Bor - Bangka , Pen Malaysia , Thailand, Vietnam Coelorachis capensis Stapf - Cape Province , KwaZulu-Natal Coelorachis clarkei (Hack.) Blatt. & McCann - India, Myanmar Coelorachis cylindrica (Michx.) Nash - southeastern + south-central USA Coelorachis geminata (Hack.) Clayton - Pen Malaysia , Thailand, Kalimantan Coelorachis glandulosa (Trin.) Stapf ex Ridl. - Southeast Asia, New Guinea, Andaman & Nicobar Islands Coelorachis helferi (Hook.f.) Henrard - Pen Malaysia , Indochina Coelorachis impressa (Griseb.) Nash - Cuba Coelorachis khasiana (Hack.) Stapf ex Bor - Yunnan , Sikkim , Bhutan , Arunachal Pradesh , Myanmar Coelorachis lepidura Stapf - Kenya, Tanzania, Mozambique Coelorachis parodiana Henrard - Paraguay, Argentina Coelorachis ramosa (E.Fourn.) Nash - tropical America from Veracruz to southern Brazil Coelorachis rottboellioides (R.Br.) A.Camus - Australia, New Guinea, Philippines, Lesser Sunda Islands Coelorachis rugosa (Nutt.) Nash - Cuba; USA from Texas to New Jersey Coelorachis selloana (Hack.) A.Camus - Brazil, Argentina, Uruguay, Paraguay Coelorachis striata (Steud.) A.Camus - Yunnan , Indochina, eastern Himalayas Coelorachis tessellata (Steud.) Nash - USA (Alabama , Florida , Louisiana , Georgia , Mississippi ) Coelorachis tuberculosa (Nash) Nash - Cuba; USA (Alabama , Florida , Georgia )formerly included [ 12] see Eremochloa Hemarthria Lasiurus Mnesithea Phacelurus Rhytachne Rottboellia
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