beggar-lice

n. 1. any of various Eurasian and North American plants having small prickly nutlets that stick to clothing.
Syn. -- beggar's lice, beggar's-lice, beggar lice. [ WordNet 1.5 ]

2. any of various tropical and subtropical plants having trifoliate leaves and rough sticky pod sections or loments.
Syn. -- tick trefoil, tick-trefoil, beggar's-lice. [ WordNet 1.5 ]