R. ludwigianum
Species
| Subgenus | Rhododendron |
| Section | Rhododendron |
| Subsection | Maddenia |
| Introduced | 1905 |
| First Described | 1911 ( Hosseus ) |
| Epiphytic/Terrestrial | terrestrial |
| Bloom Time | early midseason |
| Flower | funnel-shaped |
| Flower Color | white |
| Fragrance | ? |
| Leaves | obovate |
| Leaf persistence | Evergreen |
| Minimum Hardiness | ? |
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