Type specimens of membranaceous Vanilla. A. Lectotype designated for Vanilla acuta [K]. B. Epitype designated for Vanilla acuta (Illustration by Robert H. Schomburgk: plate 216–267, BM). C. Lectotype designated for Vanilla angustipetala [R00024938]. D. Holotype of Vanilla arcuata [LBMBP147]. E. Lectotype designated for Vanilla bradei [HB8087]. F. Holotype of Vanilla bertoniensis [SCPD00036]. G. Holotype of Vanilla costaricensis [CR062310]. H. Holotype of Vanilla dietschiana [SP000109]. Photos by Alexander Damián-Parizaca (A), Emerson Pansarin (D), and courtesy of Library and Archive collections of the Natural History Museum, London (B), Herbário do Museu Nacional, R (C), Herbarium Bradeanum, HB (E), Sociedad Cientifica del Paraguay (F), Museo Nacional de Costa Rica (G), Herbario Instituto de Botanica, SP (H).