When cajanone is refluxed in methanolic HCl, it cyclises to form an isomeric derivative without an isopentenyl group. NMR analysis defined the B-ring substitution as 2',4'-dihydroxy-5-isopentenyl, and acetylation shift data supported 6,7-dimethylchromene substitution in ring A, assigning cajanone structure (1). Isolated from dried, milled pigeon pea roots, cajanone totally inhibited germ tube growth of Fusarium oxysporum f. sp. udum at 50 ppm in vitro. Davidsonia pruriens, an northeastern Australian tree considered the sole member of Davidsoniaceae, was studied for flavonoids: the monoglycoside fraction yielded kaempferol, quercetin, myricetin 3-O-rhamnosides/glucosides, luteolin 7-O-xyloside, and a trace of laricitrin 3-O-rhamnoside; the "diglycoside" fraction contained sulfate derivatives of flavonol 3-O-rhamnosides (kaempferol, quercetin, myricetin); four flavanols were also observed, including (-)-epicatechin gallate, (-)-epigallocatechin gallate, and a potential proanthocyanidin A-type compound. Two new anionic flavonol glycosides (G, mp 320° decomp.; H, mp 332° decomp.) were isolated from fresh Malva sylvestris leaves via 25% EtOH extraction and cellulose column chromatography. Compound G was identified as gossypin-3-sulphate (gossypetin-8-O-β-D-glucoside-3-sulphate) through acid hydrolysis (yielding glucose, gossypetin, and sulfate), β-glucosidase treatment, controlled acid hydrolysis, and spectral analysis. Compound H was identified as hypolaetin-8-O-β-D-glucoside-3'-sulphate via acid hydrolysis (yielding glucose, hypolaetin, and sulfate), enzyme treatment, and spectral/chemical confirmation.