Madia glomerata

Madia glomerata is a species of flowering plant in the aster family known by the common name mountain tarweed.[1][2]

Madia glomerata
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Madia
Species:
M. glomerata
Binomial name
Madia glomerata

Range

Madia glomerata is the most widely distributed Madia, its native range covering much of western and northern North America from Alaska to the Southwestern United States, most of southern Canada and into the Great Lakes region.

Description

Madia glomerata grows in a wide variety of habitat types, including disturbed areas such as roadsides. It is an annual herb sometimes exceeding a meter in height, its stem branched or not and covered in foliage. It is hairy to bristly in texture, studded with stalked yellow resin glands, and strongly aromatic with an unpleasant scent. The rough-haired leaves are up to 10 centimeters long. The inflorescence is generally a cluster of glandular flower heads with black-tipped yellow disc florets and sometimes one or more tiny greenish or purplish yellow ray florets. The fruit is a flat black achene with no pappus.

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References
  1. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  2. "Madia glomerata". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 27 January 2016.


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