雪龙美被杜鹃叶片较大,长2.2—3.5厘米,叶下面鳞片平坦,粘结状而与原变种不同。[1]
产云南西至西北部(泸水、维西),生于冷杉林带以上的岩石上,海拔3 600—4 800米,模式标本采自云南维西(雪龙山)。[1]
美被杜鹃Rhododendron calostrotum Balf.f. & Kingdon-Ward
小叶美被杜鹃(变种)Rhododendron calostrotum Balf.f. & Kingdon-Ward var. calciphilum (Hutch. & Kingdon-Ward) Davidian
美被杜鹃(原变种)Rhododendron calostrotum Balf.f. & Kingdon-Ward var. calostrotum
独龙杜鹃Rhododendron keleticum Balf.f. & Forrest
怒江杜鹃Rhododendron saluenense Franch.
平卧怒江杜鹃(变种)Rhododendron saluenense Franch. var. prostratum (W. W. Sm.) R. C. Fang
怒江杜鹃(原变种)Rhododendron saluenense Franch. var. saluenense
Rhododendron calostrotum Balf.F.Et K.Ward var.Riparioides(Cullen)R.C,Fans in Act.Bot.Yunn.4:256.1982;云南植物志4:517.1986;横断山区维管植物下册1431.1994.---R.Calostrotum Balf.F.Et K.Ward subsp.Riparioides Cullen in Not.Bot.Gard.Edinb.36:123.1978;id.In ibid.39:116.1980.[1]