flower and young pod; photograph by K. Larsen, Department of Systematic Botany, Arhus, Denmark
flowering branch; drawing by Chang Shou-T'ien, unpublished plate for Korthals in Icones Collection NHN Leiden
flowering and fruiting branch, drawing in Blanco, Flore de Filipinas, t. 119
leaves and flower; photograph by H.D.C. de Wit, National Herbarium of the Netherlands, Wageningen University branch
flowering and fruiting branches; photograph by H.D.C. de Wit, National Herbarium of the Netherlands, Wageningen University branch
shrub; photograph by H.D.C. de Wit, National Herbarium of the Netherlands, Wageningen University branch
leaf, flower, and pod; drawing by H. Lamourdedieu in Flora of Thailand 4 (1) f. 2
flower; photograph by J. Dransfield, Herbarium Kew
S.E.M. picture of pollen grain by S.S. Larsen, Department of Systematic Botany Arhus, Denmark
stipule and interstipular spines; slide collection National Herbarium of the Netherlands, Wageningen University branch
seeds; photograph by C.R. Gunn, U.S.A. in slide collection Herbarium Kew