Inner flower appearance of Thismia belumensis Siti-Munirah & Suhaimi-Miloko K longitudinal section showing the internal parts of flower L longitudinal section of floral tube and apical part (L1 left side L2 right side) showing pendulous stamen attached to the filament, expanded annulus developing a cucullate (hood-like) structure, thickened part of the annulus at one-side, and outer surface of hood overlaid by inner tepals M transverse section of floral tube at lower part showing the apex of fused pendulous stamen and the floral aperture with the thickened part of the annulus in the centre N inner view of stamens and filament attached to the expanded annulus, which is covered with white trichome hairs O inner view of two stamens and hood inner surface P stamen (from inner view) Q stamen displaying linear to filiform thecae (outer view) and supraconnective apex curved outwards R top view of ovary and stigma S stigma from side view (S1 shows triangular-pyramidal S2 shows whitish part on surface) T cross-section of ovary showing young seeds (All photos by Siti-Munirah MY, FRI 94752 & FRI 94758).