Table 1 in A new species of Rhododendron (Ericaceae) from Guizhou, China

Table 1. Diagnostic characters for Rhododendron pudingense and closely related species.
CharactersR. myrsinifoliumR. pudingenseR. minutiflorumLeaf shapeelliptic, rarely obovateobovate to obovate-ellipticoblong to obovate or broadly ovateLeaf length6-8 × 3-5 mm8-20 × 5-10 mm8-15 × 3-5 mmLeaf marginred-brown punctate glandsno glandsno glandsCorolla tube length4 mm long8-11 mm long3 mm longCorolla tube surfaceglabrous in both sidesouter surface glabrous whereas inner surface puberulentouter surface reddish glandular-hairy and inner surface puberulentStamen length12-14 mm15-28 mm7 mm longFilamentglabrousslightly puberulent below the middle of filamentpuberulent at the lower partStyle length12-15mm20-28 mm8 mm longStyle coverscoarsely appressed setose at the lower partglabrousSparsely shortly glandular-hairy below