Clethra

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Clethra
Clethra arborea1.jpg
Clethra arborea flowers
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Ericales
Family: Clethraceae
Genus: Clethra
L.
Type species
Clethra alnifolia
L.[1]
Species

See text

Synonyms[5]
Clethra alnifolia 'Ruby spice'

Clethra is a genus of flowering shrubs or small trees described as a genus by Linnaeus in 1753.[1][6]

Clethra is one of two genera in the family Clethraceae (the other being Purdiaea). The species may be evergreen or deciduous, and all bear flowers in clusters (inflorescences).

Distribution[edit]

Clethra species are native to a variety of habitats, including swamps, woodland, and rocky sites[7] from temperate to tropical climates in eastern and southeastern Asia, Malesia, North and South America, and one species (C. arborea) on the island of Madeira.[5]

Species[edit]

The number of species accepted varies between different authorities depending on taxonomic interpretation, but with a recent trend to reduce the number recognised as distinct. The recent Flora of China[8] has cut the number accepted for China from 35 to 7 species, and the US Department of Agriculture[9] recognises only two in the United States, synonymising C. tomentosa with C. alnifolia. The following are accepted by the World Checklist of Selected Plant Families:[5]

References[edit]

External links[edit]