FIGURE 6. Thrixspermum praetermissum. A in Taxonomic notes on Thrixspermum (Orchidaceae: Aeridinae), with five new species from Thailand

FIGURE 6. Thrixspermum praetermissum. A. Flower (oblique view). B. Flower (ventral view). C. Flower (lateral view). D–F. Flower, front view (close-up). G. Dissected perianth. H. Lip, adaxial view (left: natural position; middle & right: spread out). I. Lip, lateral view (left: longitudinal dissection; right: natural position). J. Column & column-foot with pedicel (lateral views). K. Anther with pollinia (left: dorsal view; right: ventral view). L. Pollinia (two pairs). M. Stipe & viscidium. Photographed by C-SEIDENFADEN no. 24-188, 24- 143, 24-144, 24-184, 24-149 reproduced with permission of the Natural History Museum of Denmark (A–E), Pongpol Rakthai (F–J) & Nopparut Toolmal (K–O). Illustration assembled by Yongyuth Rattanasootr. A–E from living collection (C) of Seidenfaden & Smitinand GT 5361, F–J from living collection and K–M from spirit collection of N. Toolmal et al. 07122002 TTM 0006385.