''Koanophyllon'' is a genus of plants in the family

Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...

. They are perennials and shrubs (rarely vines or trees) and are native to South America, Central America, the West Indies, Mexico, with a few species range extending into the United States. The flowers are white to pinkish (rarely purple). Cuba alone has 21

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

species, seven of which only grow in

serpentine soil Serpentine soil is an uncommon soil type produced by weathered ultramafic rock such as peridotite and its metamorphic derivatives such as serpentinite. More precisely, serpentine soil contains minerals of the serpentine subgroup, especially an ...

s, and some of which accumulate minerals such as

nickel Nickel is a chemical element; it has symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel is a hard and ductile transition metal. Pure nickel is chemically reactive, but large pieces are slo ...

and

manganese Manganese is a chemical element; it has Symbol (chemistry), symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese was first isolated in the 1770s. It is a transition m ...

. ; SpeciesFlann, C (ed) 2009+ Global Compositae Checklist

References

photo of herbarium specimen at Missouri Botanical Garden, collected in Brazil in 1880, identified as ''Koanophyllon tinctorium''
Asteraceae genera Taxonomy articles created by Polbot {{Eupatorieae-stub