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东北瑞香    果实篇

(2016-03-15 12:37:06)
标签:

花卉植物

东北瑞香

  学名:Daphne pseudomezereum A. Gray

  科属:瑞香科  瑞香属

 

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形态特征:

    落叶灌木,高15~40厘米;根粗壮,少分枝,棕褐色;枝粗壮,分枝短,呈短枝状,光滑无毛,具不规则的棱,叶迹明显,较大,密集。叶互生,常簇生于当年生枝顶部,膜质,披针形至长圆状披针形或倒披针形,长4~10厘米,宽0.8~2厘米,先端钝形,基部下延成楔形,边缘全缘,不反卷,上面绿色,下面淡绿色,两面无毛,中脉在上面扁平或稍隆起,下面隆起,侧脉8-12对,近边缘1/4处分叉而互相网结,纤细,不规则分叉,在两面稍隆起,小脉网状,纤细,两面均明显可见;叶柄短,两侧翼状,长3~10毫米。花黄绿色,侧生于小枝顶端或侧生于当年生小枝下部,通常数花簇生;无苞片;花萼筒筒状,长6~8毫米,外面无毛,裂片长为花萼筒的1/2或与之等长,下轮雄蕊着生于花萼筒的中部,上轮雄蕊着生于花萼筒的喉部;花盘环状。果实肉质,卵形,长5毫米,直径4毫米,无毛,幼时绿色,成熟时红色。花期2~4月,果期7~8月。 

产吉林、辽宁。常见于海拔800~1600米的针阔叶混交林下阴湿的藓褥上。日本、朝鲜也有分布。模式标本采自日本。

根含芳香油,茎皮纤维可造纸。


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