Anubias barteri var. angustifolia (Engl.) Crusio

LEAVES: Petiole ± or up to nearly as long as the leaf-blade, 4-32 cm long. Leaf-blade narrowly oblong-lanceolate or narrowly oblong-elliptic, 5-9 x as long as broad, up to 3.5 cm broad, 8-18 cm long, widest about the middle, glabrous, obtuse or acute-apiculate, numerous more or less prominent lateral nerves, with sometimes 1 or 2 less prominent lateral nerves between them, which anastomose before the margin. Lateral nerves anastomosing in 2 or 3 marginal nerves. Numerous slender, transverse veinlets between the lateral nerves. INFLORESCENCE: Peduncle equalling or up to over twice as long as the petiole, 9-38 cm long. Spadix 1/2 or up to 1.3 x as long as the spathe. male part 1-6 x as long as the female.