红线弯月杜鹃 hong xian wan yue du juan

Rhododendron rubrolineatum I. B. Balfour & Forrest, Notes Roy. Bot. Gard. Edinburgh 12: 160. 1920.

Shrubs evergreen or sometimes semievergreen; branchlets and pedicels not setose. Leaf blade adaxially glabrous; corolla creamy yellow, lined and flushed rose on outside. Fl. May–Jun.

Forest margins, open pastures, valleys, rocks, rarely swamps; 3200–4300 m. S Xizang, NW Yunnan [India].