| Noun | 1. | bog hemp - any of several flowering weeds of the genus Boehmeria lacking stinging hairsherb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests Boehmeria, genus Boehmeria - false nettle Boehmeria nivea, China grass, Chinese silk plant, ramee, ramie - tall perennial herb of tropical Asia with dark green leaves; cultivated for the fiber from its woody stems that resembles flax |