Pachyptera erythraea: A Branchlets with four leaves B Inflorescence C Interpetiolar region showing extra floral nectaries and prophylls of axillary buds 3-seriated, flattened and ensiform D Open calyx (external view) E Open flower showing the androecium with anthers united by the villous indument F Upper portion of stamen, showing villous and curved thecae G Gynoecium H Detail of the lepidote ovary indument, with simples trichomes and glandular peltate, and patelliform trichomes (M. Weir 72, K) I Linear and flattened fruit J Seed wings (A.H. Gentry 20050, MO).