In view of the significant neuroprotective effect of Clausena lansium, we continued to separate the n-butanol and the water extracts from the stems of C. lansium in order to find the leading compounds with significant activity. Two new phenolic glycosides, Clausenolside A-B (1-2), one new pair of phenolic enantiomers (3a, 3b), and two new monoterpenoids, clausenapene A-B (4-5), together with tw...

We describe a new Hoya species from Central Kalimantan, H. buntokensis , and subspecies of wallichii West subsp. tenebrosa . is part group four that form specialised leaf structures harbouring ants (here defined as megadomatia), it most similar to undulata differs in lamina margin (flat vs undulate); shape corona lobes outer processes (fan shaped elliptic), the pollinarium morphology (corpuscul...