inflorescence, photograph by K. Larsen, Department of Systematic Botany, Arhus, Denmark
S.E.M. picture of pollen grain by S.S. Larsen, Department of Systematic Botany, Arhus, Denmark
leaves and tendril, drawing by K. Tind in Flora Malesiana 12 (2) f. 8
inflorescence, bud and flower, drawing by K. Tind in Flora Malesiana 12 (2) f. 8
flowering branch with details of flower and pod; drawing in Korthals, 1841. Kruidk. t. 23; uncoloured proof-sheet in Icones colection of NHN, Leiden