Boyce, P. C. & S. Y. Wong The Araceae of Indomalaya I: Piptospatha N.E.Br.

Figure 3. Piptospatha impolita S.Y.Wong, P.C. Boyce & Bogner. A. Flowering plant at late staminate anthesis, in habitat, on hard sandstones. B. Spathe at late pistillate anthesis. Note that the orifice of the spathe limb lacks keels (c.f. with P. elongata and P. viridistigma). C. Spadix at pistillate anthesis, spathe artificially removed. D. Detail of staminate flower zone just prior to staminate anthesis, showing the sulcate stamens and lateral, beaked connective. E. Infructescence at mid-maturity, Note that the persistent lower spathe is narrowly obconic. All from P.C.Boyce et al. AR-2141.