Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (129).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (131).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (141).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (135).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (125).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (127).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (139).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (136).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (124).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (137).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (132).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (128).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (134).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (140).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (133).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (126).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (130).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (138).JPG
Rheum dalavayi, C. Davidson 13770--China. Sichuan. Wu Ming Shan. 13 Aug 2017. DSC05530 (142).JPG
Native to China South-Central, East Himalaya, Nepal (source: POWO). Flora of the World documents 1 occurrence across 1 country.
Location
China, Sichuan, Daocheng Xian. (Ganzi Tibetan Autonomous Prefecture, Daocheng County)
29.347778, 100.112778
Location Remarks
Road (Highway S217) from Litang to Sandui Xiang, north-northeast of Sandui; Haizi Shan. Glacial boulder-strewn area with rivulets, small ponds and wet depressions; vegetation dwarf (ca. 0.5 m tall) Salix and Rhododendron and gravelly openings. Granite bedrock. 4380 m. elev.
Collectors
Christopher Davidson, David E. Boufford, Sharon R. Christoph, Xin-Hui Ll, Tao Yang
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Caryophyllales
Family
Polygonaceae
Genus
Rheum
Specific Epithet
delavayi
Authorship
Franch.
What is EDGE?
Evolutionary distinctiveness
Lower
ED 1.1
Part of a well-represented branch of the plant tree of life, with many close relatives.
Threat status
Modelled estimate
EDGE score
0.1
Global rank
#263,960 of 335,497
Top 79%
Extinction probability
10%
