Boyce, P. C. & S. Y. Wong The Araceae of Indomalaya I: Piptospatha N.E.Br.
Figure 9. Piptospatha ridleyi N.E.Br. ex Hook.f. A. Plant flowering in habitat, Endau Rompin N.P. Note the lightly spattered leaf blades. B. Inflorescence at staminate anthesis. C. Inflorescence at pistillate anthesis. Note the different spathe shape. The beetles are Chrysomelidae, possibly Chaloenus. D. Inflorescence at staminate anthesis, nearside part of spathe artificially removed to reveal spadix. Note the exceptionally long pollen strings. E. Infructescence towards end of fruit/seed dispersal. Note the seeds adhering to the exterior of the persistent, cup-shaped lower spathe. Images © Ooi Im Hin. Used with permission.