Amorphophallus adamsensis L.M.Magtoto, D.G.Mones, K.A.Ballada, C.M.Austria, R.M.Dizon, W.V.Alangui, A.A.Reginaldo, W.M.Galvan, K.T.Dizon & Hett.

Tuber depressed globose, 17 cm diam and 10 cm high, fusiform offsets numerous on upper half close to peduncle/petiole base. Leaf solitary; petiole 123 cm long, 3 cm diam, background colour dark greyish to purple green, with numerous elliptical light greyish to purple markings with slightly raised to raised margins at lower half and diamond-shaped markings on upper part; lamina 139 cm diam, rachises winged distal from the basal branching, basal parts naked with few petiolulate leaflets; leaflets oval to elongate elliptic, 9.5–24 cm long, 3.5–6 cm in width, long acuminate (acumen 2.5–5 cm long), glossy green above. Inflorescence solitary, long peduncled; peduncle 158 cm long, 3.5 cm diam, green to purplish brown background, having generally elliptic whitish green to whitish purple markings with lighter raised margins; spathe narrow triangular, 53 cm long, 28 cm diam; base strongly convolute, subglobose, with distinct constriction from the lateral-ventral sides distinguishing it from the limb; base outside light green with purplish hue, with scattered irregularly shaped slightly raised whitish green spots; base inside light green with white spots, lower part clothed with purple to brown unbranched finger-like projections; limb 3 times longer than base, adpressed against the appendix, strongly costate at the centre, pale green costa and veins; limb inside purple to brown with white spots, limb outside the same; limb auriculate; spadix sessile, much longer than spathe, 99 cm long; female zone cylindric, 9 cm long, c. 3.5 cm diam, flowers slightly distant; male zone cylindric, 12 cm long, 3 cm diam at the top, flowers distant; appendix narrowly fusiform to narrowly elongate, top subacute, 79 cm long, base with few short shallow ridges, dark reddish purple; ovaries depressed globose, 4 mm diam, 3 mm high, unilocular, basal placentation; style 3 mm long, 1 mm diam, slightly curvate, dark purple; stigma large, deeply 3-lobed, surface white, with numerous thin finger-like projections; fruit with globular base and conical tip, 4 mm high, 3.5 mm diam; pollen bright orange.