形态特征:夹竹桃为常绿灌木或小乔木,高2-6米,单叶轮生,草质光亮,叶片披针形,边缘稍反卷。顶生聚伞花序, 花冠漏斗形,红色或白色,单瓣或重瓣,花径4-5厘米,有香味。花期在6-9月份,12月份果熟。夹竹桃,叶片如柳似竹,红花灼灼,胜似桃花,花冠粉红至深红或白色,有特殊香气,花期为6-10月,是有名的观赏花卉。夏秋盛开红、白色花朵,具有竹叶常绿和桃花娇艳的特点,宜在公园、绿地、路旁、池畔和草坪边缘配置,也可盆栽和切花观赏。广东、广西、福建等南方省区均有种植。有抗烟雾、抗灰尘、抗毒物和净化空气、保护环境的能力。夹竹桃的叶片,对二氧化硫、二氧化碳、氟化氢、氯气等对人体有毒、有害气体有较强的抵抗作用。据测定,盆栽的夹竹桃,在距污染源40米处,仅受到轻度损害,170米处则基本无害,仍能正常开花,其叶片的含硫量比未污染的高7倍以上。夹竹桃即使全身落满了灰尘,仍能旺盛生长,被人们称为“环保卫士”。栽培管理:夹竹桃喜阳光充足、温暖和湿润环境,虽不耐 Morphological characteristics: oleander as evergreen shrubs or small trees, 2-6 meters high, single leaf rotation, light grass, leaves lanceolate, the edge slightly rewinding. Top cymes, corolla funnel-shaped, red or white, single or double petals, flower diameter 4-5 cm, aroma. Flowering in June-September, December ripe fruit. Oleander, leaves such as Liu like bamboo, safflower burning, wins like peach, corolla pink to dark red or white, with a special aroma, flowering 6-10 months, is a famous ornamental flowers. Blooming red and white in summer and autumn, with white flowers, bamboo leaves evergreen and peach tender and beautiful features, should be in parks, green spaces, roadsides, poolside and lawn edge configuration, but also potted and cut flowers ornamental. Guangdong, Guangxi, Fujian and other southern provinces are planted. Anti-smog, anti-dust, anti-poison and clean air, the ability to protect the environment. Oleander leaves, sulfur dioxide, carbon dioxide, hydrogen fluoride, chlorine and other toxic to the human body, harmful gases have a strong resistance. It was determined that the potted oleander, at a distance of 40 meters from the source of pollution, suffered only mild damage and was essentially harmless at 170 meters, still able to bloom normally, with leaves of more than seven times the sulfur content of the non-polluting ones. Nerium even if the whole body covered with dust, still vigorous growth, is known as “green guard ”. Cultivation Management: oleander hi sunny, warm and humid environment, though not intolerant