Psidium

Psidium is a genus of trees and shrubs in the family Myrtaceae. It is native to warmer parts of the Western Hemisphere (Mexico, Central and South America, the West Indies, and the Galápagos islands).<ref>

Kew World Checklist of Selected Plant Families
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Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera. 2009. Cucurbitaceae a Polemoniaceae. 4(1): i–xvi, 1–855. In G. Davidse, M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera (eds.) Flora Mesoamericana. Universidad Nacional Autónoma de México, México.
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Sánchez-Vindas, P. E. 2001. Calycolpus, Eugenia, Myrcia, Myrcianthes, Myrciaria, Pimenta, Plinia, Psidium, Syzygium, Ugni. En: Stevens, W.D., C. Ulloa, A. Pool & O.M. Montiel (eds.), Flora de Nicaragua. Monographs in systematic botany from the Missouri Botanical Garden 85(2): 1566, 1570–1574, 1575–1580.
Biota of North America Program, 2013 county distribution maps, genus Psidium</ref> Many of the species bear edible fruits, and for this reason several are cultivated commercially.<ref>Template:Cite book</ref> The most popularly cultivated species is the common guava, Psidium guajava.

Taxonomy

This genus was described first by Linnaeus in 1753.<ref>Linnaeus, Carl von. 1753. Species Plantarum 1: 470 in Latin</ref><ref>Tropicos, Psidium L.</ref>

Fossils are known from the Paleogene of Patagonia.<ref>Template:Cite journal</ref>

78 species are accepted.<ref name = powo/> Template:Columns-list