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Hodgsonia tsaii (Cucurbitaceae), a new species from Motuo, Xizang, China, is described. It is compared with H. macrocarpa and H. heteroclita, and differs from the two species by the entire or 3-lobed leaf, bigger and longer calyx lobes, 5-carpellate and 10-ovuled ovary, 5-lobed stigma, pepo with 20 deep grooves which are separated by 10 tall and 10 dwarf ribs. A comprehensive morphological description of H. tsaii, together with photographs, a conservation assessment, and a diagnostic key to 3 Hodgsonia species from Asia are provided. Distribution information of Hodgsonia is updated, and all the three species occur in China. [ABSTRACT FROM AUTHOR]

Henckelia medogensis, a new species from Mêdog (SE Xizang, China), is described and illustrated. The new species is mostly similar to H. lallanii and H. peduncularis, but clearly differs from the former mainly by its densely red pubescent stems and leaves, purple flowers, larger corolla size, and with white pubescent outside of the corolla tube. It also differs from the latter mainly by its single flower, free and smaller bracts, corolla tube nearly straight and ovary hairy. H. medogensis was assessed to be vulnerable based on criteria outlined by IUCN Red List Categories. [ABSTRACT FROM AUTHOR]

Ceropegia jilongensis, a new species from Jilong, Xizang, China, is described and illustrated. This species is similar to C. hookeri, but clearly differs in its indumentum of pedicel and corolla tube, ovoid cage size, corolla lobes and interstaminal corona lobes shape. It is also similar to C. salicifolia and C. angustifolia, but easily distinguished by its leaf shape, peduncle length, indumentum of pedicel and corolla tube, interstaminal corona lobes shape. A comparison table of related species is provided. [ABSTRACT FROM AUTHOR]