Kindly sponsored by
Peter Norris, enabling the use of The Rhododendron Handbook 1998
New article for Trees and Shrubs Online.
'Rhododendron amagianum' from the website Trees and Shrubs Online (treesandshrubsonline.
Tree, to 5 m; young shoots covered with dense white hairs, later glabrescent. Leaves in whorls of up to three, at the ends of the branches, 4–9 × 3–9 cm, ovate-rhombic, apex acuminate, lower surface with adpressed brown pubescent hairs, especially on the midrib; petioles densely adpressed-brown-pubescent. Pedicels densely pubescent. Flowers solitary or up to 3 per inflorescence, appearing before the leaves; calyx minute; corolla reddish orange, upper lobe with darker flecks, open-campanulate, 25–40 mm; ovary densely brown-pubescent, style with white pubescent hairs at base. Flowering June-July. Royal Horticultural Society (1997).
Distribution Japan Hondo, Idzu Peninsula
RHS Hardiness Rating H4
Awards AM 1948 (Lord Aberconway, Bodnant); flowers French Rose, suffused Neyron Rose, spotted red.
Conservation status Endangered (EN)
This very local species is closely allied to and possibly no more than a variant of R. sanctum. The chief difference between the two species is in the flower colour. Royal Horticultural Society (1997)