双荚黄槐属豆科决明属,原产美洲热带地区。华南北部的桂林、南平以及贵州、四川均有栽培,现在华南地区正推广种植。长江以南地区大多可露地栽培,在华南北部,正常年份可越冬,只在特寒年份才出现冻害。以在桂林栽培为例,经历过2000年的霜冻灾害和2008 Pseudo yellow pods Fabaceae Leguminosae, native to the Americas tropical regions. Guilin, Nanping, and Guizhou and Sichuan in northern South China are cultivated, and planting is now being promoted in southern China. Most of the south of the Yangtze River can be openly planted in northern China, winter can be normal in normal years, only appeared in the special cold frost damage. Taking Guilin cultivation as an example, we have experienced 2000 years of frost disaster and 2008