Reproductive type, pollination . Fertile flowers hermaphrodite . Inflorescence, floral, fruit and seed morphology . Free hypanthium absent. Hypogynous disk absent.
Calyx lobes markedly longer than the tube.
Androecium exclusively of fertile stamens. Pollen shed as single grains. Gynoecium 4 carpelled. Carpels isomerous with the perianth. The pistil 4 celled .