Biswarea tonglensis (C. B. Clarke) Cogn

草质攀援藤本;茎、枝纤细,有棱沟,被稀疏微柔毛或近无毛。卷须2歧。叶柄稍粗壮,被微柔毛,长6-10厘米;叶片轮廓阔卵状心