Bletiinae is a small-sized subtribe of orchids in the tribe Epidendreae of the subfamily Epidendroideae.
The tribe was initially categorized by John Lindley in 1840. Bletiinae has been recognized as a subtribe to Arethuseae. However, most of its genera were removed in 2005, and the subtribe moved to Epidendreae.C. Van den Berg "Artificial key to the subtribes of Epidendreae" in Pridgeon, Crib, Chase & Rasmussen, Eds.Genera Orchidacearum Volume 4 Epidendroideae (Part one) p. 164. Oxford University Press, 2005
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