Alocasia robusta
Alocasia robusta is a gigantic herb in the arum family which is endemic to the island of Borneo. The plant is a rosette herb consisting of several very large leaves having a sagittate lamina or blade up to long by nearly wide, borne on very stout petioles or stalks up to in length. The inflorescence is the spathe and spadix typical of the Arum family, with the spathe being a very dark blackish-purple color. This species was unknown to science prior to 1967. The plant is usually trunkless.