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Hydrochoreamarginata (Spruce ex Benth.) Barneby & J.W. Grimes A branch with inflorescences B–D extra-floral nectaries E peripheral flower bud F peripheral flower G terminal flower bud H terminal flower I leaflet. A–D, F, H, I from A. Carlos et al. 066E, G from C. Ferreira et al. 7260. Illustration by Alex Pinheiro.
