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瓶儿花(Cestrum purpureum),茄科夜香树属植物,别名紫夜香花。常绿直立或近攀援状灌木,分枝下垂。叶薄,互生,卵状披针形,长8~15厘米,先端短尖,边缘波浪形。花紫红色,稠密,腋生或顶生,夜间极香,形如瓶状,故得名;花序伞房状,疏散;花冠狭长管状,长约2厘米;花期7~10月。浆果羊角状,翌年4~5月果熟。瓶儿花原产热带美洲,我国南方各地普遍栽培。
Cestrum purpureum, Solanaceae nightshade, alias Purple nightshade. Evergreen erect or nearly climbing like shrubs, branches drooping. Leaves thin, alternate, ovate-lanceolate, 8 to 15 cm long, apex short, the edge of the wavy. Flowers purple, dense, axillary or terminal, very fragrant at night, shaped like a bottle, hence the name; inflorescence corymbose, evacuated; corolla narrow tube, about 2 cm; flowering from July to October. Berry horn-shaped, the next 4 to 5 months cooked. Bottle of flowers native to the tropical Americas, commonly cultivated throughout southern China.