FIGURE 21. Thrixspermum polystictum. A. Habit. B. Inflorescence with flowers. C in Taxonomic notes on Thrixspermum (Orchidaceae: Aeridinae), with five new species from Thailand

FIGURE 21. Thrixspermum polystictum. A. Habit. B. Inflorescence with flowers. C. Lip (front view). D. Dissected perianth. E. Lip (adaxial view, natural position). F. Lip (adaxial view, spread out). G. Lip (lateral view). H. Lip (longitudinal section). I. Column & columnfoot with pedicel (lateral view). J. Column with pedicel (ventral view). K. Operculum (dorsal view). L. Operculum (ventral view). M. Pollinia (two pairs). N. Stipe & viscidium. (Drawn from holotype, N. Toolmal et al. 10092102, TTM 0006428). Illustration by Phattaravee Prommanut.