FIGURE 2. Didymoplexis gibbosa. A. Plant with flowers. B in Didymoplexis gibbosa (Orchidaceae), a new mycoheterotrophic species from southern Vietnam

FIGURE 2. Didymoplexis gibbosa. A. Plant with flowers. B. Swollen part of rhizome. C. Inflorescence. D. Intact flowers, front and side views. E, F. Flattened flower, front and half-side views (lip removed). G. Flattened lip, adaxial and abaxial side. H–J. Lip, abaxial, halfside and adaxial views. K. Column and lip, side view. L, M. Intact lip and sagittal section of lip, side views. N–P. Column, front, half-side views and view half from back. Drawn from specimens NUR 3450 and NUR 3482 by L. Averyanov and T. Maisak.