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R. adenosum

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Rounded evergreen shrubs with glandular hairy branchlets and ovate-lanceolate to lanceolate leaves up to about four inches in length. These are covered on both surfaces with obvious and persistent glandular hairsfor a “fuzzy” look. The funnel-bell-shaped flowers appear in mid-spring and range in color from pale pink to white flushed pink, usually with reddish spots. This rarely grown species is related to the similar R.glischrum but has much smaller leaves and seems to be more  free blooming in cultivation. Only known from Kulu in SW Sichuan Province, where it was collected and introduced by Joseph Rock who found it growing around 9,000 to 11,500 ft. in forests and swamps.

1975/325  (kuluense)  ACB  (0).

 

1976/138  R#(2?) = 18228:RBG Edinburgh  (0).  A compact shrub from SW Sichuan similar to R. glischrum.  This clone from Rock's 1929 expedition.

 

1976/187  RBGE  (0).  Flowers pale pink becoming darker at the tips with a magenta blotch and flecks.

 

1976/211  (kuluense)  RBG  (0).

 

RSBG  (-5\R1\4).  These are seedlings grown from a hand-pollinated cross made here in the garden between 1975/325 (probably R# - from the Berry B. G.) x 1976/138 (R#18228:RSBG) – both with pale pink flowers and purple spots.