Amorphophallus gallowayi Hett.

Tuber more or less globose, 3 cm long, 3 cm in diam., pale brown, no offset development. Leaf solitary; petiole, 25 cm long, 6 mm in diam., uniformly deep rich burgundy red, longitudinally ridged, ridges with shallow elevations making the petiole feel slightly rough; lamina moderately dissected, 32 cm across, rachises winged from the basal branchings; leaflets elliptic to elongate elliptic, 2-14 cm long, 1.4-4 cm wide, acuminate, slightly leathery, upper surface dark green to blackish green, glossy, lower surface paler. Peduncle as petiole, 25-30 cm long, 3-8 mm in diam.; spathe triangular-ovate, 7.5-9 cm long, 3.5-4· cm wide, erect, acute, outside basal part purplish with darker venation, upper part whitish with purplish venation, inside base pale green with a distal purple zone or entirely dark purple, limb whitish, base inside moderately to strongly verrucate, warts shallowly elevated. Spadix shorter than spathe, sessile, 4.8-6.5 cm long; female zone cylindric, 1-1.5 cm long, 0.7-0.8 cm in diam., flowers congested; male zone subcylindric, slightly widening to the apex, 2.7-3.4 cm long, 0.7-0.9 cm in diam., flowers congested; appendix short-conical, 1.4-1.9 cm long, 0.7-0.8 cm in diam., smooth, obtuse, white. Ovary obconical, depressed, upper part strongly truncate, 2 mm in diam., 1.5 cm high, green or pale green, unilocular; style nearly absent, 0.5 mm long, 1 mm in diam., pale green or pale purple; stigma depressed, entire, 1.5 cm in diam., 1 mm high, verrucate. Male flowers consisting of 4-5 stamens; stamens 1 mm long; filaments 0.1-0.2 mm long, connate; anthers 0.8 mm long, 1 mm in diam, pores apical, fusing to form a common large pore per theca at male anthesis. Fruiting part short-elongate, berries congested; berry ovate, truncate, white, then turning pinkish purple and finally blue. Pollen striate.