Botanical name: Turnera subulata
Common name: Key West Butter Cup
Family: Turneraceae
Origin: Central America
USDA Plant Hardiness Zone Map
Butter Cup. One of the most popular landscape plants, low growing shrub. Everblooming, attracts butterflies. The brown eye inside the white flower draws bees in to pollinate. It is one of the most stunning of flowers. Blossoms open at sunrise and close at sunset.
The plant prefers red sandy loam.
See article about this plant: Turnera - Aphrodisiac Superherb
Similar plants: Turnera subulata (Key West Butter Cup)
Link to this plant:
https://toptropicals.com/catalog/uid/turnera_subulata.htm