青尖


树枝和树叶

Branches and Leaves


  •小乔木 ,高 2 . 5 ~ 6m。树冠圆球形至卵状椭圆形,较紧密。叶长圆形,长10.5~13cm, 宽3.2~3.8 cm,  长宽比为3 .4;厚革质,平滑,硬挺;基部楔形,先端长渐尖;成年叶墨绿色,光亮,新稍浅绿至黄绿色;叶缘平直,中部以上具10~15对细密锯齿; 叶柄黄绿色,长6~10mm。

  •Small tree to 2.5-6 m;crown spheroidal to ovoid-ellipsoid,dense.Leaves narrowly elliptic, 10.5- 13  cm×3.2-3.8 cm,thick leathery,smooth and stiff, base cuneate,apex long acuminate, margin  straight,10- 15 pairs of serrulate above the middle; petioles yellow green,6- 10 mm long; old leaves deep green, lustrous, young leaves light green to yellow green.

 

 

 

花

Flower


  •每节具花芽 1 ~ 3 对,每花序有花 5 ~ 9 朵 ,花量中等。花冠斜展,径 5 ~ 7mm,花冠裂片倒卵形;花色淡黄 (RHS-CC 9C), 浓香;花梗淡黄色,长5~7mm;  雌蕊退化,花后不结实。花期9月上旬。

  •Flower buds 1-3 pairs per node,each producing 5-9 flowers, blossom medium dense, strong scented; corolla inclined, nearly spreading,light yellow(RHS-CC 9C),5-7 mm diameter, corolla lobes obovate; pedicels 5-7 mm long,yellow,Pistil abortive, sterile. Blooming in early September.


 

分布

Distribution


  •产四川成都;温江、郫县习见(当地常称速生银桂)

  •Chengdu 、Wenjiang 、Bixian,Sichuan.

 

备注

Remark


  •叶片墨绿色、硬挺,新梢浅绿色;生长较迅速。

  •Leaves deep green, stiff; young shoots light green; fast growing.