What is the scientific name of the "Fuguizi tree" grown locally in Houjie, Dongguan?

Pingpo

Pingpo, an evergreen tree of the Sterculiaceae family, also known as "Eichhornia fruit", has long oval leaves; it blooms in early summer, without corolla, with pink calyx and panicles. ; The fruit is divided into four or five spores, dark red on the outside and black on the inside. The seeds are edible and taste like chestnuts when cooked.