| Noun | 1. | genus Pilea - low-growing tropical perennials grown for their stingless foliage dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination family Urticaceae, nettle family, Urticaceae - a family of plants of order Urticales including many nettles with stinging hairs clearweed, Pilea pumilla, richweed, dead nettle - a plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves artillery plant, Pilea microphylla - tropical American stingless nettle that discharges its pollen explosively friendship plant, panamica, panamiga, Pilea involucrata - low stingless nettle of Central and South America having velvety brownish-green toothed leaves and clusters of small green flowers |