On the origin of ^|^ldquo;Kirisima-tsutsuzi^|^rdquo; (Rhododendron obtusum PLANCH.) 論文 Bungo Miyazawa ·1918-01-01 ·『Shokubutsugaku Zasshi』 32(383) pp. 318-331 doi:10.15281/jplantres1887.32.383_318