ABSTRACT
P. pendula Ait. ANTHRAQUINONES: alizarin 1-methyl ether, damnecanthol ethyl ether, 1,5dihydroxy-2-methylanthraquinone, 1-hydroxy-2-methylanthraquinone, morindone 5methyl ether, rubiadin.
Gonzalez et al., An. Quim., 73, 869 (1977)
P. triphyllum. FLAVANOIDS: triphyllins A, B and C.