artillery plant

noun

1. a spreading, tropical American plant, Pilea microphylla, of the nettle family, having small, fleshy leaves and green flowers, grown as a curiosity because the pollen is discharged explosively when dry.

artillery plant

noun

1. any of various tropical urticaceous plants of the genus Pilea, such as P. microphylla, all having stamens that discharge their pollen explosively