FIGURE 5. Thrixspermum praetermissum. A. Habit. B in Taxonomic notes on Thrixspermum (Orchidaceae: Aeridinae), with five new species from Thailand

FIGURE 5. Thrixspermum praetermissum. A. Habit. B. Flower (oblique view). C. Flower (ventral view). D. Flower (front view, closeup). E. Lip (lateral view). F. Lip with warts on the back wall of spur (longitudinal section). G. Lip (adaxial view, natural position). H. Capitate hairs on the lateral lobes apical margins (close-up). I. Dissected perianth. J. Column & column-foot with pedicel (lateral view). K. Column (ventral view). L. Anther with pollinia (ventral view). M. Pollinia (two pairs). N. Stipe & viscidium. (Drawn from holotype, N. Toolmal et al. 07122002, TTM 0006385). Illustration by Phattaravee Prommanut.