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陈新兰
非洲最大的芦荟大树芦荟落户华南植物园奇花异果馆。
大树芦荟(Aloe barberae Dyer)为百合科常绿大乔木,原产南非。株高可达18m,胸径达0.9m,是非洲最大的芦荟。树冠伞形,枝条叉状;叶条状披针形,聚生枝端,莲座状排列;叶肉质,深绿,内弯,边缘有白色齿刺。冬季开花,花葶从上部叶腋抽出,不分枝或2-4分枝;总状花序圆柱形,花数十朵,管状,淡粉红色,先端绿色,在绿叶的衬托下格外引人注目。树干粗壮,树形优美,枝叶之间,群花盛开,优雅动人,可作庭园观赏树。
Aloe barberae, Tree aloe, is native to South Africa. As a slow-growing tree it is up to 18m high and 0.9 m in stem diameter, which is believed Africa's largest aloe. This plant is a striking sculptural tree aloe bearing a rounded and neat crown, forming an excellent focal point in the garden. The branching is forked or dichotomous. The leaves are arranged in a dense rosette, long, narrow, deeply channelled and curved. The leaf surface is dark green with a toothed margin. The inflorescence is produced from the upper axillae. The racemes are cylindrical and its tubular flowers rose pink (green-tipped) and appear in winter. The tree aloe is often used as an ornamental plant.
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