''Chionolaena'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of flowering plants in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

. It is native to tropical and subtropical regions in the Americas, with species occurring discontinuously from central

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

to southern

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

.Freire, S. E. (1993)
A revision of ''Chionolaena'' (Compositae, Gnaphalieae).
''Annals of the Missouri Botanical Garden'' 397-438. About half occur in southeastern Brazil.Loeuille, B., et al. (2011)
Four new species of ''Chionolaena'' (Asteraceae: Gnaphalieae) from south-eastern Brazil.
''Kew Bulletin'' 66(2), 263-72. Plants in this genus are small, woody shrubs and subshrubs. They have leaves with rolled edges,

phyllaries In botanical terminology, a phyllary, also known an involucral bract or tegule, is a single bract of the involucre of a composite flower. The involucre is the grouping of bracts together. Phyllaries are reduced leaf-like structures that form one o ...

with white to opaque tips, and

staminate The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...

central florets. The plants grow in high-elevation habitat types. ; Species''Chionolaena''.
The Plant List.

References

Asteraceae genera Gnaphalieae {{Gnaphalieae-stub