Stem anatomy . Secondary thickening developing from a conventional cambial ring. Reproductive type, pollination . Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit racemose.
Calyx lobes markedly shorter than the tube.
Androecium exclusively of fertile stamens. Gynoecium 5 carpelled . Carpels isomerous with the perianth. The pistil 1 celled. Ovary 1 locular.