Fig. 1From: Floral attractants in the black orchid Brasiliorchis schunkeana (Orchidaceae, Maxillariinae): clues for presumed sapromyophily and potential antimicrobial activityBrasiliorchis schunkeana. a general habit. b single flower: dorsal sepal (ds), lateral sepal (ls), petal (pt), lip; Micromorphological features of the lip (SEM): c glabrous lip callus with a few traces of secretion. d magnification of c, callus surface with secretory remnants. e rippled surface and densely papillated distally. f conical to villiform papillae with traces of secretion. g rippled and papillate lip apex. h magnification of the papillae. Arrows in c-d, f–h indicate the traces of secretionBack to article page