Field Guide to Noxious and Other Selected Weeds of British Columbia
Cluster Tarweed
(Madia glomerata)
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- heavy-scented (like tar) annual growing to 0.8 metres tall;
leaves are narrow with both leaves and stems covered in sticky,
glandular hairs; inconspicuous yellow flowers in heads produced in
1 to many compact clusters
- this native plant prefers dry, open habitats and roadsides at
low to mid-elevations
Photos courtesy Dean Swan, Washington State University (retired)
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Flowerheads showing glandular hairs |
Cluster Tarweed - Integrated Weed Management (PDF 68KB)
Coast Tarweed (Weeds BC)
Return to Field Guide to Noxious and Other Selected Weeds of BC
