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UMass Extension Weed Herbarium
 

Common Name: catchweed bedstraw, clevers, stickywilly, annual bedstraw
Scientific Name: Galium aparine L.
Family Name: Rubiaceae - Madder Family

Identification Notes:

life cycle – annual, reproducing by seed

stems – reclining-ascending to upright when young, sprawling habit, 4-sided, hollow, single row of downward-facing prickles on edges, many from base, branching growth habit , stem

leaves – whorled 6 to 8 per node, linear to oblanceolate, sessile, bristle tip, margins entire, rough hairs on margins and underside midrib, hook-tipped hairs above leaves 1, leaves 2

flowers – 4-petaled, white to greenish-white, small; axillary (above) and terminal clusters of 2 to 5 flowers flowers

fruit – nearly round, bristly or rough hooked hairs fruit

Images:

Galium aparine thumbnail 1 Galium aparine thumbnail 2 Galium aparine thumbnail 3
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Galium aparine thumbnail 4 Galium aparine thumbnail 5 Galium aparine thumbnail 6
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