討論:Rhododendron sanguineum didymoides
山羊百科,林文智老師的植物、山岳、攝影紀錄
1 Ovary at least partly glandular; bud scales usually persistent. (2)
+ Ovary eglandular; bud scales usually deciduous. (3)
2 (1) Corolla yellow flushed pink, to pink. 435e var. didymoides
+ Corolla deep blackish crimson. 435f var. didymum
3 (1) Corolla crimson. (4)
+ Corolla yellow to pink, rarely white. (5)
4 (3) Corolla bright crimson. 435a var. sanguineum
+ Corolla deep blackish crimson. 435b var. haemaleum
5 (3) Corolla yellow. 435c var. himertum
+ Corolla white, or yellow flushed pink, to pink. 435d var. cloiophorum