Rhododendrons Sikkim Himalaya t. 30 (1851)
Verified by:
Shrub or small tree, 1—4(—6.5)m; young shoots usually with a few short stipitate glands. Leaves orbicular to elliptic, 3.2-10 x 1.5-5cm, 1.1-2.5 x as long as broad, apex rounded and apiculate, base ± cordate, upper and lower surfaces glabrous when mature, rarely with a few glands at base below; petioles 0.5-2.2cm, stipitate-glandular, at least when young. Inflorescence 3 —10(—15)-flowered; rhachis 3-5mm, rarely up to 20mm; pedicels 10-35mm, stipitate-glandular. Calyx 3-5mm, stipitate-glandular, lobes rounded. Corolla campanulate, pale to sulphur yellow, sometimes tinged with red in bud, with or without a basal blotch, 25-40mm. Ovary densely stipitate-glandular; style glabrous or glandular for up to one third of its length. Capsule 13-20 x 4-7mm, curved. ** * Rhododendron campylocarpum * var. * caloxanthum * ** ** * Rhododendron campylocarpum * var. * campylocarpum * **
Chamberlain, D.F. (1982) A Revision of Rhododendron II. Subgenus Hymenanthes. Notes From the Royal Botanic Garden Edinburgh 39(2):263