云南素馨Jasminum mesnyi

中文名(Chinese Name):云南素馨
学名(Scientific Name):Jasminum mesnyi Hance
英文名(English Common Name):Japanese jasmine
别名(Chinese Common Name):云南黄素馨、金腰带
异名(Synonym):Jasminum primulinum Hemsl.
科属(Family & Genus):木犀科(Oleaceae)素馨属
形态特征(Description):常绿直立亚灌木,高0.5-5米,枝条下垂。小枝四棱形,具沟,光滑无毛。叶对生,三出复叶或小枝基部具单叶;叶柄长0.5-1.5厘米,具沟;叶片和小叶片近革质,两面几无毛,叶缘反卷,具睫毛,中脉在下面凸起,侧脉不甚明显;小叶片长卵形或长卵状披针形,先端钝或圆,具小尖头,基部楔形,顶生小叶片长2.5-6.5厘米,宽0.5-2.2厘米,基部延伸成短柄,侧生小叶片较小,长1.5-4厘米,宽0.6-2厘米,无柄;单叶为宽卵形或椭圆形,有时几近圆形,长3-5厘米,宽1.5-2.5厘米。花通常单生于叶腋,稀双生或单生于小枝顶端;苞片叶状,倒卵形或披针形,长5-10毫米,宽2-4毫米;花梗粗壮,长3-8毫米;花萼钟状,裂片5-8枚,小叶状,披针形,长4-7毫米,宽1-3毫米,先端锐尖;花冠黄色,漏斗状,径2-4.5厘米,花冠管长1-1.5厘米,裂片6-8枚,宽倒卵形或长圆形,长1.1-1.8厘米,宽0.5-1.3厘米,栽培时出现重瓣。果椭圆形,两心皮基部愈合,径6-8毫米。花期11月至翌年8月,果期3月-5月。
分布(Distribution):产四川、贵州、云南。生峡谷、林中,海拔500-2 600米。我国各地均有栽培。模式标本采自贵州威宁附近。
用途(Use):花大、美丽,供观赏。
引自中国植物志英文版:FOC Vol. 15 Page 311
Jasminum mesnyi Hance, J. Bot. 20: 37. 1882.
野迎春 ye ying chun| Oleaceae  | Jasminum
Jasminum primulinum Hemsley.
Subshrubs erect, evergreen, 0.5-5 m. Branchlets 4-angled, glabrous. Leaves opposite, 3-foliolate or simple at base of branchlets; petiole 0.5-1.5 cm; leaf blade broadly ovate or elliptic, sometimes suborbicular, 3-5 × 1.5-2.5 cm, along with leaflet blade subleathery, glabrescent, veins obscure; leaflet blade narrowly ovate or ovate-lanceolate to narrowly elliptic, base cuneate, apex blunt and mucronulate, terminal one 2.5-6.5 × 0.5-2.2 cm, basally decurrent into a short petiolule, lateral ones sessile, 1.5-4 × 0.6-2 cm. Flowers usually solitary, axillary or rarely terminal; bracts leafy, obovate or lanceolate, 5-10 mm. Pedicel 3-8 mm. Calyx campanulate; lobes 5-8, leafy, lanceolate, 4-7 mm. Corolla yellow, funnelform, 2-4.5 cm in diam.; tube 1-1.5 cm; lobes 6-8, doubled in cultivation, broadly obovate or oblong, 1.1-1.8 cm. Berry ellipsoid, 6-8 mm in diam. Fl. Nov-Aug, fr. Mar-May. 2n = 24, 26*.
* Ravines, woods; 500-2600 m. Guizhou, SW Sichuan, Yunnan.
云南素馨Jasminum mesnyi

云南素馨Jasminum mesnyi

云南素馨Jasminum mesnyi(责任编辑:徐晔春)

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