Rhododendrons

Rhododendron leptocladon
Maddenia subsection
Epithet: with thin twigs
Height: epiphytic, 0.5 to 1m tall.
Flowers: 3-4 flowers, broadly funnel-shaped or tubular funnel-shaped, 29-43mm long, lime yellow or yellow, deeper in the throat, outer surface very sparsely scaly.
Leaves: 40-80 x 20-35mm, elliptic, oblong-elliptic, leathery, base cuneate to rounded, apex acuminate; upper surface dark green, elepidote, glabrous; underside somewhat glaucous with brown scales.
Introduced: c1992.
Distribution: S.Yunnan, N.Vietnam. 1,800 - 3,000m.