Crocanthemum carolinianum

Crocanthemum carolinianum, commonly referred to as Carolina frostweed or Carolina sunrose, is a flowering plant that grows in the southeastern United States.

Flowers have five bright yellow petals.

[2] Helianthemum carolinianum is a synonym for it.

Areas where it grows include southern Alabama[2] and the northern half of the Florida peninsula and Florida Panhandle.

[3] It is in the Cistaceae (Rock-Rose) family.