Mucuna toppingii Merr., J. Straits Branch Roy. Asiat. Soc. 76: 85 (1917)
Named after David Le Roy Topping [1861-?], an American government official in the Philippines who collected plants around Manilla.
Liana. Twigs and petioles reddish. Leaves alternate, compound, with three leavlets. Stipules present, also on leavlets within the
compound leaf. Flowers in branched bundles along the branches, purplish coloured and bilateral symmetric.
Open sites in closed forest or forest edges, usually at higher elevations.
Borneo (the pictured specimen was collected in southern East Kalimantan).