leaves; photograph by G.P Lewis, Herbarium Kew
inflorescence; photograph by G.P. Lewis, Herbarium Kew
flowers; photograph by C.E. Hughes, Department of Plant Sciences, Oxford
pods; photograph by G.P. Lewis, Herbarium Kew
seeds; photograph by C.R. Gunn in slide collection Herbarium Kew
flowering branch and pod; drawing in Hayne (1830) Getreue Darst. Arzn. Gewaechse 11, t. 10 (in Icones collection HNH Leiden)
flowering branch, details flower , pod and seed; drawing in Lamarck, Tabl. Enc., t. 330pp