雄黄桂


树枝和树叶

Branches and Leaves


  •乔木,高达5~8m,树冠椭圆形,主干明显,分枝较稀疏,分枝角度较小。长势旺盛。叶倒卵形至倒卵状披针形,长8~11cm,宽3~3.5(4) cm,最宽处一般在中部以上;叶面平整;基部楔形或狭楔形,略下延生长;先端渐尖,叶尖平伸;叶缘一般有细锯齿,不波、不皱。叶柄长5~10mm,黄绿色。

  •Tree to 5-8 m; crown ellipsoid, main trunk obvious; branches fairly sparse; vigorous; leaves obovate to obovate-lanceolate,8-11 cm×3-3.5(4) cm, smooth adaxially, base cuneate or narrow cuneate, slightly decurrent into the petioles, apex acuminate, not leaning; margin serrulate; petioles 5-10 mm long, yellow green.

 

 

花

Flower


  •每节叶腋内叠生花芽2~3对;每花序有花6~7朵;着花较密集。花梗长6~8mm,黄绿色。花色浅橙黄色(RHS-CC 23D)。花冠斜展,直径6~8mm;花冠裂片椭圆形或倒卵形,长约3mm,宽约2mm;雄蕊2,偶3;雌蕊完全败育,不结实。花期9月下旬。

  •Flower buds 2-3 pairs per node, each producing 6-7 flowers, blossom fairly dense; pedicels 6-8 mm long, yellow green; corolla inclined, light orange yellow (RHS-CC 23D); 6-8 mm diameter; corolla lobes elliptic or obovate, ca. 3mm ×2mm; stamens 2, rarely 3; pistil abortive, infertile. Blooming in late September.


 

 

分布

Distribution


  •产四川成都。江苏南京有栽培。雄黄桂‘Xionghuang’ 是四川成都一带丹桂品种群的传统品种,在其他地区栽培还很少。

  •Chengdu, Sichuan; Nanjing, Jiangsu.

 

备注

Remark


  •该品种长倒卵形至倒卵状披针形,中部以上最宽,基部略下延生长,花色呈浅橙黄色。

  •Leaves obovate to obovate-lanceolate, the widest part above the middle, base slightly decurrent, flower color light orange yellow.