Kindly sponsored by
Peter Norris, enabling the use of The Rhododendron Handbook 1998
New article for Trees and Shrubs Online.
'Rhododendron neoglandulosum' from the website Trees and Shrubs Online (treesandshrubsonline.
Erect shrub, 0.5-2.0 m; young shoots puberulent, gland-dotted. Leaves 1.5-3.5(-4) x 0.5-2 cm, broadly elliptic-oval, apex acuminate, margins flat or slightly incurved, upper surface dark green, lower surface lighter green, papillate, glabrous or more or less pubescent, scales rimless, golden, 1-2× their own diameter apart; petioles 440 mm. Flowers many, in a loose terminal umbellate corymb; calyx small, lobes rounded, margins ciliate; corolla white, rotate, c.6 mm; pedicels 1.5-4 cm, often glandular; stamens 8-12; ovary densely glandular and scaly, style sparsely glandular. Flowering May-August. Royal Horticultural Society (1997)
Distribution United States NW
RHS Hardiness Rating H6
Conservation status Least concern (LC)
Taxonomic note (Ledum glandulosum Murr.) Royal Horticultural Society (1997)
Intermediates (that occasionally occur in cultivation) between this species and R. groenlandicum, with leaves 4-6 x 1-2cm, slightly revolute and sometimes with a few ferrugineous hairs on the lower surfaces, have been called R. x columbianum (Piper) Harmaja (Ledum columbianum Piper). Royal Horticultural Society (1997)