stick-tight

(Bot.)

1. any of several plants having seeds tipped with barbs that may cling to fur or clothing, especially those of the genus Bidens, also called bur marigold, beggar-ticks, and Beggar's ticks, which have prickly flattened achenes. RHUD
[1913 Webster +PJC]

2. a seed from a sticktight{1}.
[PJC]