文档介绍：大戟科
Euphorbiaceae
大戟科,双子叶植物
dicotyledonous plants,约300属,8000种以
about 300 genera
上,广布于全球,中
8000 species of the
国有66属,约864种
above all world
China has 66 genera
864 kinds
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乔木,灌木或草本
Trees, shrubs, or herbs
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Leaves simple, thin
lobular compound
leaves, usually
alternate, Stipule
containing milk
单叶,稀小叶复叶,
常互生;有托叶,多
含乳汁
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Flowers unisexual, usually small, neat, into
y umbrella, umbrella, total or panicle
Often for absence of flowers the calyx
sometimes without being or calyx, disc
storage; Stamens 1 to most; Ovary superior
usually composed of 3 carpels synthesis
m have ovule
g
axial placenta Capsule, a few b
d
花单性,通常小而整齐,成聚伞,伞房、总
状或园锥花序;常为单被花,萼状,有时无
被或萼、瓣俱存;雄蕊1多数;子房上位
甬常由3心皮合成,多3室,每室有胚珠1-2
中轴胎座。蒴果,少数为浆果或核果
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重阳木暧温带树种。喜光也稍耐荫,喜
温曖湿润的气候和深厚肥沃的砂质土壤
对土壤的酸碱性要求不严。较耐水湿
抗风、抗有毒气体。适应能力强,生长
快速,耐寒能力弱
Chongyang wood warm temperate
species Like light or slightly shade
tolerance, xi warm humid climate and
deep fertile sandy soil, relaxed acid
alkali of soil. The resistance to water
let the wind resistance, resistance
to
toxic gases. Adaptability is strong
grow fast, cold resistant ability
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Deciduous trees. to 15 m tall
Bark brown, longitudinal cracks
Leaflets ovate to elliptic shape
ovate, usually 5 w 11 cm, apex
acuminate, base rounded or
nearly cordate, margin finely
serrate, both smooth and
glabrous
落叶乔木,高15米。树皮褐色,
纵裂。小叶卵形至椭圆状卵形,
常5~11cM,先端突尖,基部圆
形或近心形,缘有细锯齿,两面
光滑无毛
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Flowers small, green,
Adrian rodriguez
huber -)fernando
flower
花小,绿色,成总状
花序。
●●。●
Flowers small, green
Adrian rodriquez
huber-)fernando
flower
浆果球形,熟时红褐
色。
Tree is graceful, the autumn leaves turn red
gorgeous and dazzing wind resistant to moisture
growing . shade and tree树察优羡
秋叶转红,艳丽夺目,抗风耐湿,生长快速,是良
好的庭荫和行道树种,