Anubias gigantea A.Chev. ex Hutch.

Rhizome creeping, prostrate and rooting, 1-3 cm thick. LEAVES:Top densely leaved. Petiole slightly shorter than or up to 2.5 x longer than the leaf-blade; up to 83 cm long. Sheath short or up to the middle. Geniculum 1-2.5cm long. Leaf-blade hastately lobed, sometimes nearly tripartite, middle lobe ovate or lanceolate, 13-30 cm long, 5-14 cm broad, 2-4 x as long as broad, widest below the middle, glabrous below, coriaceous. Lateral lobes 9-28 cm long, 3-10 cm broad. Many prominent lateral nerves, with 2-4 less prominent lateral nerves between them, which sometimes unite before the margin, at the edge anastomosing in 2-3 marginal nerves and with numerous slender, transverse veinlets between them. INFLORESCENCE: Peduncle a little shorter than the petiole, 14-60 cm long. Spathe 3.5-8 cm long, oblong, thick, fleshy, not spreading at maturity but at the top open. Before anthesis opening halfway down, but not reflexed and closing tightly and entirely again after a few hours. Short acuminate, green. Spadix a little longer than the spathe, up to 9 cm long, cylindrical, 5-10 mm thick, male part ± 1.5-3 x as long as the female part. female and male part densely flowered. Stamens 4-6(8). Lower male flowers sometimes sterile. Stigma large, white, discoid, subsessile or on a short contracted style. Thecae on the side of the synandrium, oblong, opening with a longitudinal fissure. INFRUCTESCENCE: Berries depressed-globose. Dried seed yellow, with many brownish spots, 1.5-1.8 mm long, 0.9-1.2 mm broad, 1.3-2 x as long as broad. (Seeds and berries only once observed, Adams 4551, B).