论文部分内容阅读
大叶桉、赤桉与柠檬桉同为桃金娘科桉属常绿乔木,原产澳州,我省中部、南部有栽培。大叶桉与赤桉为腋生伞形花序,但大叶桉叶大,卵形,无毛发亮;赤桉叶为镶刀形,叶柄红色。柠檬桉叶揉之有柠檬香味,叶具二型性,幼树叶基部为盾形并具腺毛,大树叶镶刀形,花序伞形再排列成圆锥花序,不如赤桉耐瘠。法桐、泡桐、梧桐与刺桐都是落叶速生乔木,木材较轻软。法桐、泡桐、梧桐为著名的行道树和庭园树,单叶,叶大,掌状分裂。法桐叶互生,叶柄基部膨大全包冬芽,圆球状花序,属梧桐科。
Eucalyptus grandis, eucalyptus eryngii and lemon eucalyptus with Myrtaceae eucalyptus evergreen trees, native Australia, central and southern provinces have cultivated. Eucalyptus urophylla and Eucalyptus urophylla were axillary umbels, but Eucalyptus grandis was large, ovate, glabrous and bright; Eucalyptus globulus was in the shape of a blade with petiole red. Lemon eucalyptus rubbing the lemon flavor, leaves with two sex, young leaves base and the shield-shaped glandular hair, large leaves in the shape of a knife, inflorescence umbrella then arranged in a panicle, as good as red eucalyptus barren. Fatong, Paulownia, Indus and eel are deciduous fast-growing trees, wood lighter soft. Fatong, Paulownia, Indus famous for the tree and garden trees, single leaf, leaf large, palmate split. Fatong leaves alternate, petiole base enlargement all-inclusive winter buds, round-shaped inflorescence, is a plane Branch.