Stem anatomy . Secondary thickening developing from a conventional cambial ring. Vessels without vestured pits. Wood parenchyma apotracheal. Reproductive type, pollination .
Fertile flowers hermaphrodite .
Inflorescence, floral, fruit and seed morphology . The terminal inflorescence unit racemose. Free hypanthium absent . Androecium 4, or 5. Androecium exclusively of fertile stamens.