Illustration of Sirdavidia solannona Couvreur & Sauquet. A Flowering branch (flower bud just above second leaf from the bottom) B Flower C One sepal, outer side view D One sepal, inner side view E Flower bud F Outer petal, outer side view G detail of pubescence of outer petal, outer side H Outer petal, inner side view I Inner petal, outer side view J detail of pubescence of inner petal, outer side K Inner petal, inner side view L detail of pubescence of inner petal, inner side M Stamen from inner whorl N stamen from outer whorl O Longitudinal section of carpel showing uniseriate row of ovules (stigma missing) P detail of young fruit. Drawing by Hans de Vries based on Couvreur 596 and Couvreur 597.