討論:Rhododendron metternichii pentamerum

Rhododendron metternichii Siebold et Zucc. var. pentamerum Maxim.；http://ylist.info/ylist_detail_display.php?pass=29995

Rhododendron metternichii Siebold et Zucc. subsp. pentamerum (Maxim.) Sugim.；http://ylist.info/ylist_detail_display.php?pass=31447

Rhododendron japonicum (Blume) C.K.Schneid. var. pentamerum (Maxim.) Hutch.；http://ylist.info/ylist_detail_display.php?pass=31169

Rhododendron pentamerum (Maxim.) Matsum. & Nakai is an unresolved name；http://www.plantlist.org/tpl1.1/record/kew-2418421

Rhododendron pentamerum (Maxim.) Matsum. & Nakai；Index Seminum (TI) 1915-1916: 24 1916.
Rhododendron pentamerum (Maxim.) Matsum. & Nakai；Cat. Sem. Hort. Bot. Univ. Tokyo 24: no.685 1916
Rhododendron metternichii Siebold et Zucc. var. pentamerum Maxim；Maxim., (Rhodod. As. Or.) Mém. Acad. Imp. Sci. Saint Pétersbourg, Sér. 7 16 (9): 22 (1871)；https://www.biodiversitylibrary.org/item/177168#page/468/mode/1up

SYN

Rhododendron metternichii Siebold et Zucc. var. pentamerum Maxim.；Ohwi, Fl. Jap. ed. Engl.: 698 (1965)；https://www.biodiversitylibrary.org/page/30046969#page/730/mode/1up
- Rhododendron degronianum Carrière；Rev. Hort. [Paris]. 368 f.77 1869；https://www.biodiversitylibrary.org/item/197621#page/408/mode/1up

Rhododendron degronianum Carrière；Nakai, Bot. Mag. Tokyo 38: 26 1924；https://www.jstage.jst.go.jp/article/jplantres1887/38/446/38_446_23/_pdf/-char/ja
- Rhododendron metternichii Siebold et Zucc. var. pentamerum Maxim；Maxim., (Rhodod. As. Or.) Mém. Acad. Imp. Sci. Saint Pétersbourg, Sér. 7 16 (9): 22 (1871)；https://www.biodiversitylibrary.org/item/177168#page/468/mode/1up