Schismatoglottis mindanaoana Engl.

Very diminutive herb. Stem shortly creeping, ?pleionanthic, to c. 3 mm diam. Petiole 2–9 cm long, sheathing in the lower ¼, the adaxial margins minutely crispate; leaf blade dull dark green adaxially, paler and glaucescent abaxially; oblong elliptic to slightly obovate, c. 4.8 cm long × 1.5–3 cm wide; apex acute and minutely apiculate, the base obtuse to truncate to narrowly and shallowly cordate; midrib with 2–4 primary lateral veins diverging at 45–60° and then curved acropetally and distally joining the margin; secondary and tertiary venation forming a distinct tessellate pattern abaxially. Inflorescence solitary or two in succession; peduncle c. 2 cm long. Spathe 1.5 cm long, constricted at about midway along its length, the limb turbinate and thence acuminate, caducous by male anthesis, white. Spadix c. 9 mm long, sessile; female zone 2 mm long, partly adnate to spathe; pistils subglobose, ?without interpistillar staminodes, c. 0.4 mm diam.; stigma sessile, punctiform; male zone contiguous with female, c. 7 mm long, c. 1.5 mm diam., half inside and half projecting from the mouth of the lower spathe after the limb has fallen, slightly attenuated at midpoint corresponding with spathe constriction; appendix hemispherical, 1.5 mm long, slightly wider than male zone; staminodes narrowly ovoid, pointed. Fruiting spathe c. 5 mm long, cup-shaped.