"anubias gigantea" has large arrow-shaped leave blades that can be up to long and wide. the leaf stems are slightly shorter till up to 2.5 times longer than the blade. the leaves are set on a creeping and rooting rhizome that is 1–3 cm thick. the spathe is long and has a long peduncle. the spadix is up to long and slightly longer than the spathe, so that the tip slightly protrudes from it. the upper part is covered with male flowers, of which the 4-6 stamens are fused into synandria, with the thecae on its sides. the lower part of the spadix is covered with female flowers that are reduced to the ovary and stigma.