Spilotantha (spy-loh-TAN-thah) is characterized by both large and small plants, ramicauls shorter than the coriaceous leaves, an erect raceme with keeled or crested ovaries with more or less inflated floral bracts and a series of simultaneous flowers borne by a peduncle round in cross section. The sepals are usually long-tailed and variously connected into a shallow cup or arching cylindrical tube. The petals are callous on the lower half and are often denticulate along the margins. The lip is more or less divided by marginal folds. Species in this genus used to reside in Masdevallia subgenus Amanda.
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