The investigation of 27 SouthAfricanHelichrysumspecies gave in addition to known compounds, 21 new acylphloroglucinolderivatives, five flavanoids, an unusual pyrone derivative, five diterpenes, a bicyclogermacrene and three cadinene derivatives, three guaianolides, a xanthanolide, a dimeric sesquiterpene lactone, an aliphatic lactone and seven glycerol angelate derivatives. The structures were elucidated