R. ludwigianum
Species
| Subgenus | Rhododendron |
| Section | Rhododendron |
| Subsection | Maddenia |
| Introduced | 1905 |
| First Described | 1911 ( Hosseus ) |
| Habitat | terrestrial |
| Bloom Time | early midseason |
| Flower | funnel-shaped |
| Predominant Colour | white |
| Leaves | obovate |
| Winter Foliage | evergreen |
| Hardiness | ? |
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