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Scalesia affinis is a species of flowering plant in the family Asteraceae. It is endemic to the Galápagos Islands, Ecuador.

Scalesia affinis
Conservation status
Least Concern  (IUCN 2.3)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Scalesia
Species:	S. affinis
Binomial name
Scalesia affinis Hook.f.

It is one of the most widely distributed Scalesia species and occurs on four major islands: Fernandina Island, Isabela Island (main distribution area), Santa Cruz Island and Floreana Island.

Populations from Santa Cruz and Floreana display some morphological and genetic divergence from populations of Fernandina Island and Isabela Island.

References

• Eliasson, U.H. 1974. Studies in Galapagos Plants XIV. The Genus Scalesia Arn.Opera Botanica, 36: 1-117
• Nielsen, L.R. 2004. Molecular differentiation within and among Island Populations of the Endemic Plant Scalesia affinis (Asteraceae) from the Galápagos Islands. Heredity, 93: 434–442.

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