Evidence from seed - coat micromorphological features supports the treatments of reducing k . polysperma and k . interior to k . heteroclita and of reducing k . longipedunculata to k . japonica Polysperma和凤庆南五味子k interior归并入异形南五昧子以及将长梗南五味子k longipedunculata归并入南五味子的分类学处理。