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城口荛花

中文学名:城口荛花

拉丁学名:Wikstroemia fargesii

门:被子植物门

纲:木兰纲

亚 纲:蔷薇亚纲

目:桃金娘目

科:瑞香科

属:荛花属

种:城口荛花

城口荛花(学名:Wikstroemia fargesii),为瑞香科荛花属下的一个植物种。 [1]

城口荛花形态特征

灌木;枝及小枝圆柱形,近微红,无毛。

叶对生或近对生,纸质,椭圆形、近圆形或长圆状披针形,长1-2.2厘米,宽0.8-2厘米,先端圆或尖,基部宽楔形,上面绿色,下面略苍白,主脉2条,弧形,自基部发出,先端下倾,余脉3-4对,多少明显;叶柄长0.5-1毫米。

花7-10朵,簇生于多分枝的侧生枝条的顶端,花序梗长2-10毫米,花梗短,近于无,基部具关节;萼筒长约10-12毫米,基部稍膨大,顶端5裂,裂片卵状长圆形,长1.5-2毫米;雄蕊10,2列,花药近箭形,长约1毫米,花丝短,长0.3毫米;子房倒卵状长圆形,顶端被平贴毛,花柱短,柱头红色,球形,花盘鳞片1枚,线形,全缘或稍具缺刻,果卵状梨形,基部圆,先端渐尖。

Shrubs. Branches slightly reddish or brownish gray, terete, glabrous. Leaves opposite to subopposite; petiole 0.5-1 mm; leaf blade dull green adaxially, slightly paler abaxially, elliptic, suborbicular, or oblong-lanceolate, 1-2.2 × 0.8-2 cm, papery, both surfaces glabrous, base broadly cuneate, apex rounded or obtuse; lateral veins 3 or 4 pairs, ± conspicuous. Inflorescences terminal on dichotomously much branched lateral branches, capitate, 7-10-flowered; peduncle 0.2-1 cm. Pedicel very short, obscure, articulate at base. Calyx yellow; tube trumpet-shaped, slightly swollen at base, 10-12 mm, exterior glabrous; lobes 5, ovate-oblong, 1.5-2 mm. Stamens 10; filaments ca. 0.3 mm; anthers subsagittate, ca. 1 mm, included within calyx tube. Disk scale 1, linear, apex entire or slightly retuse. Ovary obovoid-ellipsoid, apex strigose; style short; stigma red, globose. Drupe orange-red, ovoid-pyriform, ca. 8 mm, base rounded, apex acuminate.

城口荛花生长环境

海拔1200-1600米地区,灌丛中。

城口荛花分布范围

仅见于重庆城口

参考来源

  1. 城口荛花, 植物智, 2020-01-18