Information

Erect or scandent shrubs or woody twiners; cystoliths absent. Leaves opposite, entire. Flowers solitary or in axillary fascicles or on old branches; bracteoles 2, large, bract-like. Calyx a narrow undulate rim or shallowly 5-lobed. Corolla contorted in bud, tubular, subcylindric below, widening above with 5 small rounded lobes, all spreading or two upper broader and reflexed. Stamens 4, didynamous, all included or 2 longer exserted; anthers 2-thecous, thecae slightly unequal, slightly diverging below, apiculate at apex, opening by short apical slits. Disc conspicuous, annular, fleshy. Ovary becoming 1-locular (of 2 fused locules), 2-ovulate; ovules ascending from the base but affixed by ventral suture nearly to apex; stigma funnel-shaped, slightly 2-lobed. Fruit an indehiscent 1–2-seeded drupe; retinacula absent. Seed with thick stony exocarp.