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黄山紫荆Cercis chingii

时间:2018-08-14 08:20来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):黄山紫荆 学名( Scientific Name ): Cercis chingii Chun 英文名( English Common Name ): 别名( Chinese Common Name ): 秦氏紫荆 异名( Synonym ): 科属( Family Genus ): 豆科(Leguminosae)紫荆属 形态特征(
中文名(Chinese Name):黄山紫荆
学名(Scientific Name):Cercis chingii Chun
英文名(English Common Name):
别名(Chinese Common Name):秦氏紫荆
异名(Synonym):
科属(Family & Genus):云实科,Caesalpiniaceae紫荆属
形态特征(Description):丛生灌木,高2-4米;主干和分枝常呈披散状;小枝初时灰白色,干后呈黑褐色,有多而密的小皮孔,嫩时被棕色短柔毛。叶近革质,卵圆形或肾形,长5-11厘米,宽5-12厘米,先端急尖而成一长5-8毫米的尖头,或圆钝而无尖头,基部心形或截平,干后下面常呈棕色,且基部脉腋间或沿主脉上常被短柔毛,主脉5条,下面凸起;叶柄长1.5-3厘米,两端微膨大。花常先叶开放,数朵簇生于老枝上,淡紫红色,后渐变白色;花萼长约6毫米;花瓣长约1厘米。荚果厚革质,长7-8.5厘米,宽约1.3厘米,无翅和果颈,喙粗大,长约8毫米,粗达2毫米,坚硬,二瓣裂,果瓣常扭曲;种子3-6颗,嵌入一厚而微白(干后呈棕褐色)之海绵状组织内。花期2-3月;果期9-10月。
分布(Distribution):产安徽、浙江和广。生于低海拔山地疏林灌丛,路旁或栽培于庭园中。
用途(Use):
引自植物志英文版:FOC Vol. 10 Page 5, 6
Cercis chingii Chun, J. Arnold Arbor. 8: 20. 1927.
黄山紫荆 huang shan zi jing| Fabaceae  | Cercis
Shrubs, 2-6 m tall. Bark light gray, smooth. Branchlets grayish white at first, blackish brown when dry, with numerous, dense, small lenticels, brownish puberulent when young, gla­brescent with age. Petiole 1.5-3 cm, slightly thickened at both ends; leaf blade brownish when dry, ovate-orbicular or reni­form, 5-11 × 5-12 cm, subleathery, abaxially puberulent on principal veins and in axils of veins at base, principal veins 5, raised abaxially, base cordate or truncate, apex acute with a 5-8 mm mucro or rounded without mucro. Flower clusters borne on old branches, light purplish red, becoming whitish. Calyx 5.5-6 mm. Petals ca. 1 cm. Legumes 7-8.5 × ca. 1.3 cm, thickly leath­ery, valves twisting upon dehiscence, wing absent, stipe absent; beak robust, ca. 8 × 2 mm, hard. Seeds 3-6, embedded in thick, slightly white (brown when dry), spongy pulp. Fl. Feb-Mar, fr. Sep-Oct. 2n = 14*.
● Sparse forests, shrubby areas, roadsides, cultivated in gardens; low elevations. Anhui, N Guangdong, Zhejiang.






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