FIGURE 1. Thrixspermum alboluteum. A. Habit. B. Leaf apex. C in Taxonomic notes on Thrixspermum (Orchidaceae: Aeridinae), with five new species from Thailand

FIGURE 1. Thrixspermum alboluteum. A. Habit. B. Leaf apex. C. Flower (front view). D. Rachis with flowers. E. Column & column-foot with petal & lateral sepal (lateral view). F. Sac with warts on the backwall (close-up). G. Lip (lateral view). H. Lip (longitudinal section). I. Lip (adaxial view, natural position). J. Lip (adaxial view, spread out). K. Dissected perianth. L. Column with pedicel (ventral view). M. Operculum (dorsal view). N. Anther with pollinia, stipe & viscidium (ventral view). O. Pollinia (two pairs). P. Stipe & viscidium. (Drawn from holotype, N. Toolmal et al. 20122001, TTM 0006394). Illustration by Phattaravee Prommanut.