R. tsaii
Species
| Subgenus | Rhododendron |
| Section | Rhododendron |
| Subsection | Lapponica |
| First Described | 1939 (W.P. Fang) |
| Origin | E. Yunnan 2900 meter |
| Habitat | terrestrial |
| 10 Year Height | ? |
| Mature Wild Height | 120 cm. (4ft.) |
| Bloom Time | ? |
| Flower | broadly funnel-shaped |
| Predominant Colour | ? |
| Leaves | narrowly elliptic |
| Winter Foliage | evergreen |
| Hardiness | H5 |