Description

Shrub, 1.2—5m; young shoots glabrous or glandular. Leaves broadly ovate, 5.5-8 x 3.5-4cm, 1.4-2 x as long as broad, apex rounded, apiculate, base rounded to cordate, upper and lower surfaces glabrous; petioles l,5-2.3cm, glabrous or sparsely stipitate-glandular. Inflorescence lax, 3-5-flowered; rhachis c.3mm; pedicels 1.5-2.5cm, with a sparse covering of subsessile glands. Calyx 3-8mm, lobes rounded, glandular-ciliate. Corolla saucer-shaped, pale purplish-pink, 25-40mm. Ovary densely stipitate-glandular; style glandular to tip. Capsule 18—22 x c.6mm, slightly curved.

Distribution

China (Sichuan)

Altitude

Habitat

Bouldery mountain summits

Nomenclatural History

R. cordatum Leveille, Bull. Geog. Bot. 24: 282 (1914). Type: China, NE Yunnan, sommet de Io-chan, 3400m, vi 1913, Maire (holo. E).

Notes

References

Chamberlain, D.F. (1982) A Revision of Rhododendron II. Subgenus Hymenanthes. Notes From the Royal Botanic Garden Edinburgh 39(2):266