1、 Different trunk
The height of Hainan bean tree is about 6 to 13 meters. The branches above the stem are gray without small hairs p>
There are many other names of kidney bean trees, with a height of up to 10 meters, and the color of the stem is yellowish brown p>
2、 Different blades
The leaves of Hainan kidney bean are oblong in shape, about 4 to 10 cm in length and about 2.5 to 4.5 cm in width. The leaves are hairless on both sides, and sometimes there are very many small spots p>
Bean leaves are small, about 4 to 7 cm long and about 2 to 3.5 cm wide p>
3、 Different flowers
The corolla of Hainan bean tree is light yellow, about 3.5 to 5 cm long and about 15 mm in diameter. It blooms earlier and began in April p>
The bean tree is a panicle with white to light yellow corolla, about 6 to 8 cm long, white milk inside the calyx, and the flowering period is from May to September p>