galium aparine

Galium aparine ('aparine' from Greek 'apairo' [απαίρω < από «from» + αίρω «pull to lift»] – 'lay hold of' or 'seize') with many common names including cleavers, clivers, bedstraw, goosegrass, catchweed, stickyweed, sticky bob, stickybud, stickyback, robin-run-the-hedge, sticky willy, sticky willow, stickyjack, stickeljack, grip grass, sticky grass, bobby buttons, and velcro plant, is an annual, herbaceous plant of the family Rubiaceae.

Cleavers are annuals with creeping straggling stems which branch ...