Gamochaeta coarctata

Gamochaeta coarctata, the gray everlasting (also known as cudweed, like other members of its genus),^[2] is a species of flowering plant in the family Asteraceae. It is widespread in South America (from Colombia to Uruguay) and naturalized in parts of Eurasia, Australia, and North America.^[3][4][5]

Clade:Embryophytes

Clade:Tracheophytes

Clade:Angiosperms

Clade:Eudicots

Quick facts Scientific classification, Binomial name ...

Gamochaeta coarctata
Scientific classification
Kingdom:	Plantae
Clade:	Embryophytes
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Gamochaeta
Species:	G. coarctata
Binomial name
Gamochaeta coarctata (Willd.) Kerguélen 1987
Synonyms[1]
Synonymy Gnaphalium coarctatum Willd. 1803 Gamochaeta spicata (Lam.) Cabrera Gnaphalium purpureum var. americanum (Mill.) Klatt Gnaphalium purpureum var. spicatum (Lam.) Klatt Gnaphalium radians var. spicatum (Lam.) Klatt Gnaphalium spicatum Lam. 1788 not Mill. 1768

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Gamochaeta coarctata is an annual herb up to 15 cm (5.9 in) tall. Leaves are up to 3 cm (1.2 in) long. The plant forms many small flower heads in elongated arrays. Each head contains 2–4 yellow disc flowers but no ray flowers.^[6]

Some specimens collected in the United States were formerly misidentified as G. americana, which does not grow in the United States.^[3][7]