R. longistylum
Species
| Subgenus | Rhododendron |
| Section | Rhododendron |
| Subsection | Tephroplepa |
| Epiphytic/Terrestrial | terrestrial |
| Mature Wild Height | 200 cm. (7ft.) |
| Bloom Time | early midseason |
| Flower | tubular funnel-shaped |
| Flower Color | white |
| Fragrance | ? |
| Leaves | oblanceolate |
| Leaf persistence | Evergreen |
| Minimum Hardiness | 1 C (34 F) |
| Additional Hardiness Info |
H2 |
