Rhododendron subsect. Lanata in Flora of China @ efloras.org

16. Rhododendron subsect. Lanata D. F. Chamberlain, Notes Roy. Bot. Gard. Edinburgh. 37: 337. 1979.

黄钟杜鹃亚组 huang zhong du juan ya zu

Hu Linzhen (胡琳贞 Hu Ling-cheng); David F. Chamberlain

Shrubs or small trees; young shoots densely woolly-tomentose. Leaf blade leathery, elliptic to obovate; abaxial surface with dense 1-layered woolly indumentum, hairs straight or crispate dendroid-branched. Inflorescence terminal, lax or dense, 3–15-flowered, rachis 3–10 mm. Calyx minute, 5-lobed; corolla tubular-campanulate to open-campanulate, rarely saucer-shaped, 5-lobed, yellow, white to pink; stamens 10; ovary densely tomentose, rarely glandular (in R. circinnatum).

Four species: Bhutan, China, India, Sikkim; four species (two endemic) in China.

1 Corolla tubular-campanulate; ovary densely long glandular-hairy. 401 Rhododendron circinnatum

+ Corolla broadly campanulate or campanulate; ovary tomentose, eglandular. (2)

2 (1) Corolla broadly campanulate, sulfur-yellow. 398 Rhododendron lanatum

+ Corolla campanulate, white to pink. (3)

3 (2) Leaf lamina 2.2–6.2 cm; inflorescence 3–5-flowered. 399 Rhododendron tsariense

+ Leaf lamina 9–11 cm; inflorescence 10–15-flowered. 400 Rhododendron lanatoides

Lower Taxa