The height of Hainan bean tree is about 6 to 13 meters. The branches are gray and hairless.
Bean Trees, also known as many, up to 10 meters high, stem color presents a yellow brown.
Hainan bean leaves are oblong in shape, about 4 to 10 cm in length and 2.5 to 4.5 cm in width. There are no hairs on both sides of the leaves, sometimes there are many small spots.
Bean leaves are small, about 4 to 7 cm in length and 2 to 3.5 cm in width.
The corolla color of Hainan bean tree is light yellow, about 3.5 to 5 cm long, about 15 mm in diameter, and the flowering period is earlier, starting in April.
Bean tree is panicle, corolla color is white to light yellow, about 6 to 8 cm long, calyx has white milk inside, flowering in May to September
