Botanical name: Ehretia anacua
Common names: Anaqua, Knockaway, Sandpaper Tree
Family: Boraginaceae
Origin: Mexico
USDA Plant Hardiness Zone Map
Ehretia anacua blooms from spring through summer with white, fragrant flowers that cover the tree in dense clusters.
Similar plants: Ehretia anacua (Anaqua)
Link to this plant:
https://toptropicals.com/catalog/uid/ehretia_anacua.htm