Clematis pseudotubulosa (Ranunculaceae), a new species from Gyeonggi-do in the Republic of Korea, is described and illustrated. The morphologically similar to C. takedana but differs its leaves, which are always ternate with shallowly lobed leaflets (vs. 1-pinnate deeply three five leaflets), oblong-shaped flower buds ovoid), larger flowers smaller flowers), pantoporate pollen tricolpate). A de...

The genus Clematis has been a source of various traditionally useful and pharmacologically active species. Many plants this are prominently climbers woody vines. species mosly wild however; few grown as ornamental plants. apifolia, ganpiniana, graveolens, terniflora were selected to study on their traditional use, chemical composition pharmacological effects reported in literature. In folklore ...

The reinvestigation of the n-BuOH extract of the roots of Clematis argentilucida led to the isolation of four new oleanane-type triterpenoid saponins, 1-4, four known saponins, 5-8, first isolated from the species, together with ten saponins, 9-18, reported in the preceding papers. The structures of saponins 1-8 were elucidated by extensive spectroscopic analysis and chemical evidences. The cyt...