16983_0_515332 Rhododendron viscosa/canescens test 19 [Azalea test 20 viscosa/canescens ]">
//0 16983_0_515332 Rhododendron viscosa/canescens test 19 [Azalea test 20 viscosa/canescens ] M. Catesby, M. Houttuyn, Marc Catesby Original Watercoulors, vol. 1 : t. 57, fig. 1 (1730)