Clerodendrum speciosissimum

Clerodendrum speciosissimum is a tropical shrub of the family Lamiaceae, native to Indonesia and Papuasia, but now naturalized in parts of Latin America, Africa, the Caribbean, Seychelles, and Florida.

Description
The shrub can reach up to 4 m. The leaves are square-shaped, and the large heart-shaped flowers can reach up to 30 cm. It is cultivated as an ornamental plant, in particular for its bright red flowers.