“Other species of Leontice like Leontice leontopetalum and its alkaloid petaline chloride has been tested on guinea pig isolated smooth muscle and heart.”
“Their flower clusters differ from lacecaps in that some varieties produce sterile flowers with petallike sepals, while others bear smaller fertile flowers with starry petals.”
“The petalled rim of the sunflower glowed in the morning sunlight.”
“For a drift of silky petalled flowers of pinky-orange, plant the low-growing California poppy, Eschscholzia california, the flower that gave the Golden West its name.”
“Thin petalled roses tend to be more susceptible, particularly the double varieties with lots of petals.”