1 "Leaves 1-nerved, glabrous; stamens with a short, thick, dorsal appendage, ventral appendage absent, and with an indistinct to distinct dorsal gland; fruit fleshy with 1 or 2 seeds" Memecylon 1 "Leaves 3-7-nerved, glabrous to densely pubescent; stamens with a filiform dorsal appendage or appendage absent, with a small to bilobed ventral appendage or collar, dorsal gland absent; fruit fleshy or dry, with numerous seeds" 2 2 "Flowers 4-merous; hypanthium with tessellated plates, otherwise smooth and glabrous; anthers with lateral slits; stamens without connective prolongation, with small to distinct dorsal appendage" "Pternandra {Pternandra coerulescens}" 2 "Flowers 4- or 5-merous; hypanthium glabrous to densely covered with scales, hairs or emergences; anthers with terminal pores; stamens with short to long connective prolongation and small to distinct ventral appendage or collar" 3 3 "Leaves in whorls, glabrous; hypanthium glabrous; stamens with distinct filiform dorsal appendage in addition to bilobed ventral appendage; liane or small tree" "Medinilla {Medinilla balls-headleyi}" 3 "Leaves opposite, pubescent; hypanthium glabrous to densely covered with scales, hairs or emergences; stamens lacking a dorsal appendage, but with a small to distinct ventral appendage or collar; herb or shrub" 4 4 "Hypanthium covered with scales (these sometimes narrow and hair-like, but flattened at the base); stamen whorls usually markedly anisomorphic" 5 4 "Hypanthium glabrous or variously covered with simple to multifid hairs or emergences; stamens generally isomorphic" 6 5 "Fruit a capsule" Tibouchina 5 "Fruit a coriaceous or somewhat fleshy, irregularly dehiscent berry" Melastoma 6 "Hypanthium glabrous or covered with emergences; flowers 4- or 5-merous; leaves narrowly ovate to sublinear, less than 1.5 cm wide" Osbeckia 6 "Hypanthium glabrous or with simple or multifid hairs; flowers 5-merous; leaves ovate, more than 3 cm wide" 7 7 "Inflorescence a loose panicle; hypanthium evenly covered with simple or multifid hairs" "Otanthera {Otanthera bracteata}" 7 "Inflorescence a tight cluster, surrounded by red-green leafy bracts; hypanthium with 2 or 3 distinct rings of simple hairs, otherwise glabrous" "Tristemma {Tristemma mauritianum var. mauritianum}"