Kutaja bija, Kudasappalai or Inderjou is an important seed drug in Ayurveda, Siddha and Unani Medicines. The market sample of Madras Crude drug trade has been identified in our laboratory as the seeds of Holarrhena - anti - dysenterica wall of the family Apocynaceae. The morphology, anatomy, fluorescence analysis and chemical studies of the drugs are reported.

Strophanthus (Family apocynaceae) contains glycosides which are comparable with cardiac glycosides of Digitalis but has less harmful physiological actions, S. kombe Oliver is officially used but some other species of this genus also contain glycosides and resemble the official one and thus often used as adulterants, This study shows distinguishing features of some strophanthus species.

Jongkind, C.C.H. & O. Lachenaud (2022). Novelties in African Apocynaceae. Candollea 77: 17–51. In English, English and French abstracts. preparing the treatment of Apocynaceae for Flore du Gabon, a number taxonomic novelties were discovered. Ten new species are here described illustrated, nine which occur Gabon: Baissea atrobrunnea Lachenaud, Hunteria maasiorum Jongkind E. Bidault, Landolphia a...

Two new Hoya R.Br. species from Borneo are described and illustrated. The first, Hoyaruthiae Rodda was collected in Sabah on Bukit Baturong, a limestone outcrop. It is one of the few species in the genus to have clear exudate. It is compared with the morphologically related Hoyauncinata Teijsm. and Binn. The other, Hoyabakoensis Rodda, was collected in the kerangas forests of Bako National Park...

The roots of Ichnocarpus frutescens (L) R.Br. (Apocynaceae) are used in indigenous system of medicine. The present study on phytochemical characteristics of root powder, namely behavior with different chemical reagents, fluorescent behaviour, extractive values, colour and consistency and qualitative phytochemical studies are useful for identification and conformation of its authenticity.

conclusions collectively, the v. pumilum extracts showed remarkable cytotoxic activity and merit further investigation as anticancer agents. results the ch2cl2 fraction of v. pumilum showed a potent dose-related inhibitory effect on cell viability. the ch2cl2 fraction showed ic50 values of 8.3 and 12.5 µg/ml in the k562 and hl-60 cell lines, respectively. a sub-g1 peak in the flow cytometry his...