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Rubia ovatifolia Z. Ying Zhang ex Q. Lin
Sichuan: Xiangcheng Xian. Yibailingba Gou. Off road from Xiangcheng to Daocheng, ca. 20 km from Xiangcheng. Gorge with steep slopes, running perpendicular to road and tributary of Suoqu He. Vegetation of large Pinus, Abies and Picea and mixed smaller, broadleaved deciduous trees of Acer, Prunus spp., Rhamnus, Sageretia, Syringa, Betula, etc. throughout and large trees of Populus along stream. 29°4'33"N, 99°55'8"E; 3150-3240 m.
Steep, dry slope with Acanthocalyx delavayi and Lilium. Corolla greenish yellow. Root material removed for Richard Laursen, Department of Chemistry, Boston University, for chemical analysis as a possible dye plant once used in Tibetan regions.
D. E. Boufford, J. H. Chen, S. L. Kelley, J. Li, R. H. Ree, H. Sun, J. P. Yue & Y. H. Zhang
30483 10 July 2004
 
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