was discovered by Abbé Soulié in 1894 at Dong in the Upper Mekong
and later in June 1895 at Sela in the Mekong-Salween Divide in eastern
Xizang (Tibet). R. saluenense has also been found by other explorers
in SE Xizang, NW Yunnan and SW Sichuan. Its name indicates that it is
from the Salween River area.
It was first introduced
by George Forrest in 1914 (no. 12934) and subsequently by other plant
explorers Frank Kingdon-Ward, Joseph F. Rock and T.T. Yu.
This species can
be found growing in forest margins to stony hillsides, in boggy moorland
meadows and alongside streams at elevations of 3,400 4,300 m (10
14, 000 ft).
is a variable plant broadly upright or spreading or even prostrate
as R. prostratum has been merged with R. saluenense.
This species is closely allied to R. calostrotum. R. saluenense
is a small plant leaves range from 0.8 3.6 cm in length and
its flowers are 1.7 3.1 cm long. The corolla is widely funnel-shaped,
magenta to purple to reddish-purple and appears in an inflorescence of