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潢川金桂

树枝和树叶

Branches and Leaves

  •小乔木,高达4~12m; 树冠圆球形。树皮灰白色,皮孔密集。长势旺盛。叶卵状椭圆形或椭圆形,长8~10(12)cm, 宽4~4 . 5(5)cm,  长宽比约2.6; 厚革质,光滑,叶面极平展,深绿色而有光泽;基部圆形或宽楔形;先端长渐尖或尾尖,叶尖平伸或略下弯;全缘,极稀上部具有少数细锯齿;侧脉8~11对,明显下陷,网脉较明显;叶柄长7~9mm, 略带淡紫红色。新叶淡紫红色。

  •Tree to 4-12 m; crown ellipsoidal. Bark grey white, lenticels dense; strong vigorous. Leaves ovate- elliptic or elliptic, 8-10(12) cm x 4-4.5(5) cm , leathery; dark green and smooth above, lustrous, base rounded or broadly cuneate, apex long acuminate or caudate, flat or slightly leaning, margin entire or rarely slightly serrate near apex; secondary veins 8-11 pairs, impressed remarkably, reticulate veins obvious; petioles 7-9 mm long, slightly purple red; young leaves light purple red.

Flower

  •花枝长10~12cm,  有花芽4~5节,节间较短。每节有花芽2~3对,每花序有花5~6朵。花密集,浓香。花梗黄绿色或紫红色,结果后变紫红色。花浅黄色 (RHS-CC9C~11D)。   花冠斜展,钟形,直径5~7mm; 裂片椭圆形,长2.5~3 mm,  宽1 . 5~2mm;  雌蕊发育正常,花后结实。每年开花1~2次,以第一次最为集中。结实量大。果实较小,长椭圆形,基部变狭,顶端钝,上部有稀疏白色斑点,长1.5~1.7 cm, 径约 0.7~0.8cm,  果梗长约0.8cm。 花期9月下旬至10月上旬,果期翌年4月。

  •Flower twigs 10-12 cm, with 4-5 nodes having flower buds; internodes fairly short; flower buds 2-3 pairs per node, each producing 5-6 flowers, blossom dense, strong scented; pedicels yellow green to purple red, becoming purple red after bearing; corolla inclined, campanulate, 5-7 mm diameter, light yellow (RHS- narrow ellipsoidal, 1.5-1.7 cm x 0.7-0.8 cm, base narrow; Pedicels 0.8 cm long; maturing in April next year.


分布

Distribution

  •产河南潢川、淅川、南阳、许昌、郑州等;江苏南京;湖北武汉;安徽合肥。

  •Huangchuan、 Xichuan、 Nanyang、Xuchang、Zhengzhou, Henan; Nanjing, Jiangsu; Wuhan, Hubei; Hefei, Anhui.

备注

Remark

  •叶较宽而厚,浓绿色,极平展,基部宽圆,花较小、花色较浅。潢川金桂 ‘Huangchuan Jingui’是最常见的结实品种,长江流域各地常见栽培。

  •Leaves fairly wide and thick, dark green, very smooth, with rounded bases. It is the most common fruiting cultivar in the valley of Yangtze River.

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所属分类:花卉
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