Patuletin
Patuletin is an O-methylated flavonol. It can be found in the genus Eriocaulon. Glycosides 
Patuletin glycosides can be found in Ipomopsis aggregata. Patuletin-3-O-rutinoside can be isolated from the aerial parts of Echinacea angustifolia. Patuletin acetylrhamnosides can be isolated from Kalanchoe brasiliensis. References 

O-methylated flavonols