Rhododendron orbiculare subsp. orbiculare
Common name: 
Obiculare Rhododendron
Pronunciation: 
ro-do-DEN-dron or-bik-ew-LAH-ree subspecies or-bik-ew-LAH-ree
Family: 
Ericaceae
Type: 
Broadleaf
Native to (or naturalized in) Oregon: 
No
  • Broadleaf evergreen shrub, 3 ft (0.9 m) tall in 10 years, finally 6-10 ft (1.8-3 m), young shoots stout, purplish, gladular.  Leaves almost orbicular (circular or disk shaped), but usually longer than wide, 5-10 cm long, deeply lobed at base, rounded at the apex, dark green above, glaucous below.  Flowers widely bell-shaped, 5-6.5 cm across, 7-lobed, rose to rose-pink, about 14 stamens, shorter than corolla.
  • -5°F, earlymid-mid, 3/4/3.  [flower / plant & foliage / performance; scale 1 (poor) - 5 (best)]  Native to western Szechwan, China.
  • Shows the typical leaf rolling characteristic in response to cold temperature.
  • Cecil and Molly Smith Garden, St. Paul, Oregon.
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    plant habit, winter

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    leaves

  • flowers about to open

    flowers about to open

  • plant habit, flowering

    plant habit, flowering

  • plant habit, flowering

    plant habit, flowering

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    flower cluster

  • flower cluster

    flower cluster

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    flowers

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    flower