Rhododendron macrophyllum
Common name:
Western Rhododendron
Pronunciation:
ro-do-DEN-dron mak-ro-FIL-um
Family:
Ericaceae
Type:
Broadleaf
Native to (or naturalized in) Oregon:
Yes
- Broadleaf evergreen shrub, erect, compact in the open but long stranggling branches when crowded, to 6-12 ft (1.8-3.7 m) tall, may even become a small tree 25 ft (7.6 m) high. Leaves simple, alternate, elliptic to oblong, 7.5-15 cm long, 3-8 cm wide, tapering at both ends, dark green above, paler below but often rusty-colored, petiole 1.3-2.5 cm long. Flowers 5-lobed, spreading bell-shaped, about 3.5 cm wide (or more), color varies from pale pink to a rosy purple, rarely white, green/brown spots on the upper lobe, edges crumpled, calyx small, 10 stamens, ovary covered with reddish down; flower clusters are terminal and may contain 20 or more blooms.
- -5° F, middle-late, quality rating 2-3/2-3/3 [flower / plant & foliage / performance; scale 1 (poor) - 5 (best)]. Sun to part shade.
- Native range from British Columbia to northern California, from sea level to 6,000 ft, along the coastal foothills and Cascade Mountain in Oregon.
- State Flower of the State of Washington
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plant habit, flowering
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flower clusters and leaves
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flower cluster
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flowers
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flower
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flower clusters and leaves
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flowering Oregon's Cascade Mountains
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plant habit, flowering
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flower clusters and leaves
