Rheum

Phylloflavan is a phenolic compound found in the New Zealand Podocarpaceae Phyllocladus alpinus.^[1]

References

^ Phylloflavan, a characteristic constituent of Phyllocladus species. Lai Yeap Foo, Liana Hrstich and Christian Vilain, Phytochemistry, Volume 24, Issue 7, 1985, Pages 1495–1498, doi:10.1016/S0031-9422(00)81052-3

Flavan-3-ols and their glycosides
Flavan-3-ols	Afzelechin Catechin (Epicatechin) Epicatechin gallate Epigallocatechin Fisetinidol Gallocatechin Guibourtinidol Mesquitol Oritin Robinetinidol
O-methylated flavan-3ols	Meciadanol (3-O-methylcatechin) Ourateacatechin (4′-O-methyl-(−)-epigallocatechin)
Glycosides	Arthromerin A (Afzelechin-3-O-β-D-xylopyranoside) Arthromerin B (Afzelechin-3-O-β-D-glucopyranoside) Catechin-3-O-glucoside Catechin-3'-O-glucoside Catechin-4'-O-glucoside Catechin-5-O-glucoside Catechin-7-O-glucoside (+)-Catechin 7-O-β-D-xylopyranoside Epicatechin-3′-O-glucoside Glochiflavanoside A, B, C D Polydine ((+)-catechin 7-O-α-L-arabinoside) Symplocoside (3’-O-methyl-(-)-epicatechin 7-O-β-D-glucopyranoside)
Acetylated	Phylloflavan
Gallate esters	Epigallocatechin gallate Gallocatechin gallate
Misc.	Thearubigins