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Salviapenghuana , a new species from Guizhou Province of southwestern China, is described and illustrated. Morphologically, Salviapenghuana is similar to S.filicifolia , but can be easily distinguished from the latter by ovate-lanceolate bracts, purple corolla, and foot-shaped fused lower arms of connective. In addition, S.penhuana is morphologically similar to S.cavaleriei , but differs by having 3-4-pinnate leave, ovate-lanceolate bracts, puberulent calyx, and longer upper arms of connective. Based on the fibril root, small calyx and corolla, and completely reduced posterior thecae, S.penghuana should be placed in section Sobiso of subg. Glutinaria., Competing Interests: The authors have declared that no competing interests exist., (Feng-Jin Qiu, Deng-Li Yu, Hong-Bo Lan, Ming-Tai An, Yan-Fei Geng, Chun-Lei Xiang, Guo-Xiong Hu.)

Spiradiclisliboensis L. Wu & W. J. Liu, a new species in tribe Ophiorrhizeae of Rubiaceae from limestone mountain areas of Guizhou, south-western China, is described and illustrated. It is similar to S.guangdongensis and S.jingxiensis , but differs from the latter two by the following traits: stipule triangular, inflorescence sessile or with peduncle up to 0.5 mm long, pedicel 0.8-2.2 mm long, corolla white, salverform, corolla tube 1.6-2.2 cm long, corolla tube of long-styled morph inside with a villous ring and stigmas positioned at the throat of the corolla tube. The conservation status is assessed as "Vulnerable" (VU) according to the IUCN Red List Categories and Criteria., (Xiao-Fei Song, Wen-Jian Liu, Ao-Xue Chen, Zheng-Ming Yao, Hong-Bo Lan, Lei Wu.)