Rhododendron bureavii
Common name: 
Bureau Rhododendron
rho-do-DEN-dron bew-REEV-ee-i
Native to (or naturalized in) Oregon: 
  • Broadleaf evergreen shrub, slow growing to 4 ft (1.2 m) (10 years), may reach 6-8 ft (1.8-2.4m), in the wild a tree to 20 ft (6 m), small branches are stout with the same rusty coating as the underside of leaves.  Leaves broad-elliptic to ovate, 7-12 cm long and 2.5-5 cm wide, dark green, slightly rugose (wrinkled), underside has woolly indumentum, pink when young, becoming richly rusty red; petiole thick, about 2 cm long.  Flowers funnel-campanulate shaped, about 5 cm long, white or rose, sometimes with purple or crimson markings, calyx deeply divided into 5 obtuse, lobes.
  • -10°F, mid, 3/5/4 [quality rating of flower / foliage & plant / performance, based on a 1(poorest) to 5 (best) scale].
  • Best in shade, needs very good drainage.
  • Native to China; western Yunnan Province.   Discovered by Pere Delavay in 1896.
  • bureavii: after Edouard Bureau (1831-1918), French botanist.
  • Oregon State Univ. campus: Hort Garden, east side.
Click image to enlarge
  • flower cluster and leaves, April

    flower cluster and leaves, April

  • flower and leaf underside (indumentum)

    flower and leaf underside (indumentum)

  • emerging leaves, May

    emerging leaves, May

  • plant habit, early summer

    plant habit, early summer

  • leaves, early summer

    leaves, early summer

  • mature leaves

    mature leaves

  • mature leaves, underside (indumentum)

    mature leaves, underside (indumentum)