Cleavers are also called clivers, “bort”, bedstraw, goosegrass, catchweed, stickyweed, stickybud, robin-run-the-hedge, sticky willy, sticky willow, stickyjack, stickeljack, and grip grass, is a herbaceous annual plant of the family Rubiaceae.
Cleavers are annuals with creeping straggling stems which branch and grow along the ground and over other plants.
They attach themselves with the small hooked hairs which grow out of the stems and leaves.
The stems can reach up to three feet or longer, and are angular or square shaped.
The leaves are simple, narrowly oblanceolate to linear, and borne in whorls of six to eight. (source)
Can guinea pigs eat cleavers?
Yes they can eat them.
For more foods that guinea pigs can and can’t eat check out our guinea pig food list