Rheum palmatum L.
Polygonaceae
| Collection Number | C. Davidson 13779 |
| Collectors | David E. Boufford, Sharon Christoph, Chris Davidson, Xin-Hui LI & Tao YANG |
| Identified By | D. Boufford (GH) |
| Source | C. Davidson |
| Date | 14 August 2017 |
| Country | China |
| province/SAR | Sichuan |
| prefecture-level | Litang Xian. |
| Location | N of Litang on road (highway 217) from Litang to Xinlong. Broad ravine with numerous side seepages and both moist and dry upland meadows, with rocky slopes at higher elevations and Abies forests in deep, broad ravines at lower elevations. 4350-4615 m. elev. |
| Lat/Long | N 30 13 35 E 100 14 42 |
| Note | Open, rocky slope above stream. Herb, ca. 1.5 m tall; large basal leaf. |