Cestrum L.
Unarmed shrubs or occasionally small trees. Lvs simple, entire, foetid when bruised, hairy or glabrous. Panicle of few to many clusters of axillary or terminal cymes; fls often fragrant. Calyx 5-(6)-lobed, campanulate to tubular; lobes small, < tube. Corolla tubular to salverform, with throat widened or contracted, most colours except blue; lobes 5, short. Stamens 5, inserted from around middle to near base of corolla tube, included, sometimes appendaged. Stigma usually 2-lobed. Fr. a berry, often scarcely succulent. Seeds few, of moderate size.
Key
Fls fragrant, especially at night; corolla greenish white to pale greenish yellow or brownish yellow
c. 175 spp., tropical America, doubtfully indigenous elsewhere. Naturalised spp. 5.
