Galium aparine
Cleavers are a spring annual in the coffee family, Rubiaceae, recognizable by the tiny hooked hairs that make their stems, leaves, and fruits cling to clothing and animal fur. The plant is widespread in the Northeast, where its scrambling growth lets it occupy hedges, garden edges, and other disturbed ground.1
The young plant is edible, although its rough texture makes it more useful cooked than raw. The small paired fruits are the more memorable food: once dried and roasted, their seeds have long been used to make a coffee-like drink. The resemblance is a botanical joke with a practical basis—cleavers and coffee are relatives—but the drink is milder and should not be treated as a direct substitute for coffee.12
Cleavers become less pleasant as the hooked hairs toughen, so the food value is concentrated in the early shoots and mature seeds. That split between a fleeting green and a labor-intensive seed makes the plant more interesting as a Northeast food tradition than as a conventional crop.
Footnotes
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Royal Botanic Gardens, Kew, “Galium aparine L.,” Plants of the World Online. ↩