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在海南,每到春天或夏秋,街道边、公园、庭院中的黄槐便满树满枝地开了,那鲜黄明亮的的色彩足以让人倦怠的精神为之一振。品种及形态黄槐(Cassia surattensis)是苏木科黄槐属常绿小乔木或落叶灌木,有黄槐、大花黄槐、金边黄槐等品种。黄槐是常绿小乔木,株高3～4米;大花黄槐(原产阿根廷)是落叶灌木,株高2～3米;金边黄槐(原产美洲热带)是落叶灌木,株高约0.5～1米。偶数羽状复叶,小叶7～9对,卵形,叶柄具腺体。羽状复叶常有夜合的现象,整棵树的叶
In Hainan, every spring or summer, the streets, parks, gardens of the yellow locust tree full of open branches, and bright yellow color enough to let the spirit of fatigue laden. Varieties and Morphology Cassia surattensis is a small evergreen tree or deciduous shrub belonging to the genus Sophora such as Huanghuai, Huabaihuai, Phnom Penh and Huanghuai. Huang Huai is evergreen small tree, plant height 3 to 4 meters; large flowers Huang Huai (Argentina origin) is a deciduous shrub, height 2 to 3 meters; Phnom Penh Huang Huai (Native American tropical) is deciduous shrubs, plant height About 0.5 to 1 meter. Even pinnate, leaflets 7 to 9 pairs, ovate, petioles with glands. Pinnately compound often night phenomenon, the whole tree leaves