A flower of the day (flower encyclopedia) flower rhombus, (scientific name: EschscholtziacalifornicaCham.), is a perennial herb of the poppy family,

One flower per day (Flower Encyclopedia)

Rhododendron flower , ( scientific name : Eschscholtzia californica Cham.) is a perennial herb of the family Poppy family , often cultivated annually . Strong hardiness, like cold and dry climate, not tolerant of humid heat, hot summer in a semi-dormant state, often withered to death, and then germinated after autumn. Native to California, USA.