Fig. 1.
Photos of flowers from plants of diverse orders with a simplified phylogeny above, sketching their relationships. From left to right: Nymphaea colorata (water lily, basal angiosperms); Lilium marthagon (lily, monocot); Triticum aestivum (bread wheat, monocot); Meconopsis horridula (prickly blue poppy, basal eudicot); Antirrhinum majus (snapdragon, fabid); Rosa sp. (rose, malvid).