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Genus Cestrum Family Solanaceae

Description: Woody shrubs or small trees, glabrous, or hairy with simple, forked or dendritic hairs.

Leaves mostly alternate, sometimes paired, simple, margins entire, petiolate.

Inflorescences axillary or terminal, usually racemes or panicles. Flowers bisexual, sometimes slightly zygomorphic, often subtended by a small bract. Calyx tubular, 5–7-lobed. Corolla tubular, variously coloured; tube often slightly inflated towards limb; limb shortly 5–7-lobed. Stamens 5, equal or subequal, variously inserted on corolla tube; anthers 2-locular, versatile, dehiscing by longitudinal slits. Ovary 2-locular.

Fruit a succulent berry.


Distribution and occurrence: World: c. 250 species, tropical Central & South America. Australia: 4 species (naturalized), Qld, N.S.W., Vic.

Text by B. J. Conn
Taxon concept:

Taxa not yet included in identification key
Cestrum fasciculatum

 Key to the species 
1Flowers reddish; plants softly hairy; mature berry redCestrum elegans
Flowers orange to greenish yellow; new growth sparsely hairy or glabrescent; mature berry white or black2
2Corolla orange yellow; leaves elliptic to broad-elliptic to ovate; mature berry whiteCestrum aurantiacum
Corolla greenish yellow; leaves narrow-elliptic to lanceolate; mature berry black or white
                       Back to 1
3
3Corolla tube 2–3 mm wide at apex; filaments with an erect process; mature berry whiteCestrum nocturnum
Corolla tube 3–5 mm wide at apex; filaments without an erect process; mature berry black
                       Back to 2
Cestrum parqui

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