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(A, B) Papillose labellum of Xylobium palmifolium (K37706) (A) with obpyriform papillae (B). Scale bars: A = 500 μm; B = 25 μm. (C–F) Labellum of Xylobium pallidiflorum (K47185) (C) showing laterally compressed papillae (D, E) that have a lollipop- or paddle-like profile (F). Scale bars: C = 500 μm; D = 100 μm; E and F = 25 μm.
