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Either of two eastern North American annual plants (Pilea pumila or P. fontana) having short drooping clusters of tiny greenish-white flowers and translucent stems and leaves. Also called richweed.
US a plant from the nettle family
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|Noun||1.||clearweed - a plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves|
nettle - any of numerous plants having stinging hairs that cause skin irritation on contact (especially of the genus Urtica or family Urticaceae)