Botanical name: Wigandia urens
Common name: Caracus Wigandia
Family: Boraginaceae (Formerly:Hydrophyllaceae)
Subfamily: Hydrophylloideae
Origin: Central and South America
Wigandia urens is a deciduous shrub or small tree to 4m. It has large ovate leaves to 30cm long. The flowers are deep purple with a white throat and are produced in terminal sprays in spring. The whole plant is covered with rusty-brown, irritant hairs.
Link to this plant:
https://toptropicals.com/catalog/uid/wigandia_urens.htm