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迎春 Jasminum nudiflorum

时间:2013-10-23 13:23来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):迎春 学名( Scientific Name ): Jasminum nudiflorum Lindl. 英文名( English Common Name ): winter jasmine 别名( Chinese Common Name ): 迎春花 异名( Synonym ): Jasminum sieboldianum Blume 科属( Family Gen
中文名(Chinese Name):迎春
学名(Scientific Name):Jasminum nudiflorum Lindl.
英文名(English Common Name):winter jasmine
别名(Chinese Common Name):迎春花
异名(Synonym):Jasminum sieboldianum Blume
科属(Family & Genus):木犀科(Oleaceae)素馨属
形态特征(Description):落叶灌木,直立或匍匐,高0.3-5米,枝条下垂。枝稍扭曲,光滑无毛,小枝四棱形,棱上多少具狭翼。叶对生,三出复叶,小枝基部常具单叶;叶轴具狭翼,叶柄长3-10毫米,无毛;叶片和小叶片幼时两面稍被毛,老时仅叶缘具睫毛;小叶片卵形、长卵形或椭圆形,狭椭圆形,稀倒卵形,先端锐尖或钝,具短尖头,基部楔形,叶缘反卷,中脉在上面微凹入,下面凸起,侧脉不明显;顶生小叶片较大,长1-3厘米,宽0.3-1.1厘米,无柄或基部延伸成短柄,侧生小叶片长0.6-2.3厘米,宽0.2-11厘米,无柄;单叶为卵形或椭圆形,有时近圆形,长0.7-2.2厘米,宽0.4-1.3厘米。花单生于去年生小枝的叶腋,稀生于小枝顶端;苞片小叶状,披针形、卵形或椭圆形,长3-8毫米,宽1.5-4毫米;花梗长2-3毫米;花萼绿色,裂片5-6枚,窄披针形,长4-6毫米,宽1.5-2.5毫米,先端锐尖;花冠黄色,径2-2.5厘米,花冠管长0.8-2厘米,基部直径1.5-2毫米,向上渐扩大,裂片5-6枚,长圆形或椭圆形,长0.8-1.3厘米,宽3-6毫米,先端锐尖或圆钝。花期6月。
分布(Distribution):产甘肃、陕西、四川、云南、西藏,生海拔800-2000米山坡灌丛中。
用途(Use):
引自中国植物志英文版:FOC Vol. 15 Page 311
Jasminum nudiflorum Lindley, J. Hort. Soc. London. 1: 153. 1846.
迎春花 ying chun hua| Oleaceae  | Jasminum
Shrubs erect, creeping or forming an intricate cushion, deciduous, 0.3-5 m. Branchlets 4-angled, somewhat narrowly winged, glabrous. Leaves opposite, 3-foliolate or often simple at base of branchlets; petiole 3-10 mm, glabrous; leaf blade ovate or elliptic, sometimes suborbicular, 0.7-2.2 cm × 4-13 mm; leaflet blade ovate to elliptic, rarely obovate, base cuneate, apex acute or obtuse, mucronulate, veins obscure, terminal one sessile or basally decurrent into a short petiolule, 1-3 × 0.3-1.1 cm, lateral ones sessile, 0.6-2.3 cm × 2-11 mm. Flowers solitary, axillary or rarely terminal; bracts ovate to lanceolate, leafy, 3-8 mm. Pedicel 2-3 mm. Calyx green; lobes 5 or 6, narrowly lanceolate, somewhat leafy, 4-6 mm. Corolla yellow, 2-2.5 cm in diam.; tube 0.8-2 cm; lobes 5 or 6, oblong or elliptic, 0.8-1.3 cm. Berry ovoid or ellipsoid, ca. 6 × 3-4 mm.
* Thickets, ravines, slopes; 800-4500 m. Gansu, Shaanxi, Sichuan, SE Xizang, NW Yunnan




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