Kindly sponsored by
Peter Norris, enabling the use of The Rhododendron Handbook 1998
New article for Trees and Shrubs Online.
'Rhododendron mariesii' from the website Trees and Shrubs Online (treesandshrubsonline.
Shrub or small tree, 1-3 m; young shoots covered at first with adpressed yellowish hairs, later glabrescent. Leaves in whorls of up to three, at the ends of the branches, 3-7.5 x 2-4.5 cm, ovate-lanceolate, apex acute, lower surface glabrescent; petioles glabrous. Pedicels villose. Flowers 1-2 per inflorescence, appearing before the leaves; calyx minute; corolla rose-purple, upper lobe with flecks, funnelform, 25-30 mm; stamens 10; ovary yellowish grey-villose, style glabrous. Flowering April-May. Royal Horticultural Society (1997)
Distribution China C, S & E Taiwan
Habitat 200-1,300 m
RHS Hardiness Rating H3
Conservation status Least concern (LC)
Closely allied to R. farrerae (q.v.). Royal Horticultural Society (1997)