Rhamnaceae : Polypetalae

The Rhamnaceae are distinctive in being trees, shrubs, lianas, or rarely herbs with simple, spiral or opposite leaves, unisexual or bisexual, perigynous to epiperigynous flowers, the perianth/androecium 4–5-merous, petals sometimes absent, stamens alternisepalous, a nectariferous disk usually adnate to hypanthium, the fruit a drupe, circumscissile capsule, or schizocarp.