A rare endemic species on Ulleung Island, Korea, is transferred from Physocarpus (Cambess.) Raf. (Rosaceae) to Spiraea L., based on morphology and DNA sequence data. The new combination S. insularis (Nakai) H. Shin, Y. D. Kim & S. H. Oh is proposed.
A rare endemic species on Ulleung Island, Korea, is transferred from Physocarpus (Cambess.) Raf. (Rosaceae) to Spiraea L., based on morphology and DNA sequence data. The new combination S. insularis (Nakai) H. Shin, Y. D. Kim & S. H. Oh is proposed.