Pilea cadierei, the aluminium plant or watermelon pilea, is a species of flowering plant in the nettle family Urticaceae, native to China (provinces of Guizhou and Yunnan) and Vietnam. The specific epithet cadierei refers to the 20th-century botanist R.P. Cadière. It has gained the Royal Horticultural Society's Award of Garden Merit.
It is an evergreen perennial growing up to 30 cm (12 in) tall by 21 cm (8 in) broad, with dark green oval leaves, each leaf having four raised silvery patches (hence ...