洋素馨Cestrum nocturnum

中文名(Chinese Name):洋素馨
学名(Scientific Name):Cestrum nocturnum L.
英文名(English Common Name):night jessamine
别名(Chinese Common Name):夜香树
异名(Synonym):Cestrum propinquum M.Martens & Galeotti  Cestrum leucocarpum Dunal  Cestrum nocturnum var. mexicanum O.E.Schulz  Cestrum suberosum Jacq.  Chiococca nocturna Jacq.
科属(Family & Genus):茄科(Solanaceae)夜香树属
形态特征(Description):直立或近攀援状灌木,高2-3米,全体无毛;枝条细长而下垂。叶有短柄,柄长8-20毫米,叶片矩圆状卵形或矩圆状披针形,长6-15厘米,宽2-4.5厘米,全缘,顶端渐尖,基部近圆形或宽楔形,两面秃净而发亮,有6-7对侧脉。伞房式聚伞花序,腋生或顶生,疏散,长7-10厘米,有极多花;花绿白色至黄绿色,晚间极香。花萼钟状,长约3毫米,5浅裂,裂片长约为筒部的1/4;花冠高脚碟状,长约2厘米,筒部伸长,下部极细,向上渐扩大,喉部稍缢缩,裂片5,直立或稍开张,卵形,急尖,长约为筒部的1/4;雄蕊伸达花冠喉部,每花丝基部有1齿状附属物,花药极短,褐色;子房有短的子房柄,卵状,长约1毫米,花柱伸达花冠喉部。浆果矩圆状,长约6-7毫米,直径约4毫米,有1颗种子。种子长卵状,长约4.5毫米。
分布(Distribution):原产南美洲,现广泛栽培于世界热带地区。
用途(Use):可作园林绿化树种。
引自中国植物志英文版:FOC Vol. 17 Page 331   
Cestrum nocturnum Linnaeus, Sp. Pl. 1: 191. 1753.
夜香树 ye xiang shu| Solanaceae  | Cestrum
Shrubs erect or sprawling, 1-3 m tall; young growth puberulent, glabrescent. Branches slender. Petiole 0.8-2 cm; leaf blade oblong-ovate or oblong-lanceolate, 6-15 × 2-4.5 cm, entire. Inflorescences drooping, many-flowered, axillary or terminal racemose panicles, 7-10 cm. Flowers strongly night scented. Pedicel 1-5 mm. Calyx campanulate, 2-3 × 1-1.5 mm; lobes deltoid, 0.5-0.8 mm. Corolla greenish or whitish yellow, 1.5-2.5 cm, tube slightly contracted at throat, lobes 3-4 mm. Filaments with dentate appendages, usually puberulent at point of insertion. Ovary ca. l mm. Berry white, juicy, oblong or globose, 6-10 × 4-10 mm. Seeds 1-5, ellipsoid, 3.5-4.5 mm.
Fujian, Guangdong, Guangxi, Yunnan [native to America, widely cultivated for ornament in tropical regions].
 洋素馨Cestrum nocturnum

洋素馨Cestrum nocturnum
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