1.2- Genus Psidium L. - Guava genus + Overview Genus Psidium is a group of trees and shrubs in the myrtle family, described as a genus by Linnaeus in 1753. It is native to warmer parts of the Western Hemisphere (Mexico, Central and South America, the West Indies, Galápagos, and the southern United States). Many of the species bear edible fruits, and for this reason several are cultivated commercially. Most important is the common guava, Psidium guajava. + Synonyms Calyptropsidium O.Berg Corynemyrtus (Kiaersk.) Mattos Cuiavus Trew Episyzygium Suess. & A.Ludw. Guajava Mill. Guayaba Noronha Mitropsidium Burret
2- Species of the Genus Psidium L.
2.1- Accepted species The Genus Psidium include 96 accepted species: 1- Psidium acranthum - Dominican Rep 2- Psidium acunae - Cuba 3- Psidium acutangulum - from Colombia to Amapá and Bolivia 4- Psidium albescens - Jamaica 5- Psidium amplexicaule - Puerto Rico, Leeward Is. 6- Psidium apiculatum - Bahia 7- Psidium appendiculatum - N Venezuela, NE Brazil 8- Psidium araucanum - São Paulo, Paraná 9- Psidium arboreum - Rio de Janeiro 10- Psidium australe - Venezuela, Guyana, Bolivia, Brazil, Paraguay 11- Psidium bahianum - Bahia 12- Psidium balium - Cuba 13- Psidium brevifolium - Dominican Rep 14- Psidium brownianum - Venezuela, NE Brazil 15- Psidium calyptranthoides - Puerto Rico 16- Psidium canum - Brazil 17- Psidium cattleianum - Brazil, Uruguay 18- Psidium cauliflorum - Bahia 19- Psidium celastroides - Cuba 20- Psidium claraense - Cuba
21- Psidium cymosum - Cuba 22- Psidium densicomum - Venezuela, Guyana, Bolivia, NW Brazil, Peru, Colombia 23- Psidium dictyophyllum - Hispaniola 24- Psidium donianum - Maranhão 25- †Psidium dumetorum - Jamaica but extinct 26- Psidium eugenii - SE Brazil 27- Psidium firmum - Brazil 28- Psidium friedrichsthalianum - S Mexico, Central America, Colombia, Venezuela 29- Psidium fulvum - Peru 30- Psidium galapageium - Galápagos 31- Psidium ganevii - Bahia 32- Psidium giganteum - Minas Gerais, São Paulo 33- Psidium glaziovianum - SE Brazil 34- Psidium globosum - Uruguay 35- Psidium grandifolium - Brazil, Bolivia, Paraguay, NE Argentina 36- Psidium guajava - Central + South America, West Indies, Mexico, Florida, Louisiana, Arizona; naturalized in parts of Africa, the Indian Subcontinent, and on numerous oceanic islands 37- Psidium guineense - Central + South America, Windward Is, Mexico 38- Psidium guyanense - N Brazil, Venezuela, French Guiana 39- Psidium haitiense - Haiti 40- Psidium harrisianum - Jamaica 41- Psidium × hasslerianum - Paraguay, Central America 42- Psidium hotteanum - Massif de la Hotte 43- Psidium huanucoense - Huánuco 44- Psidium inaequilaterum - SE Brazil 45- Psidium itanareense - São Paulo 46- Psidium jacquinianum - unknown 47- Psidium jakucsianum - Cuba 48- Psidium kennedyanum - Brazil, Paraguay, NE Argentina 49- Psidium langsdorffii - Minas Gerais 50- Psidium laruotteanum - from Costa Rica to Paraguay 51- Psidium longipetiolatum - S Brazil 52- Psidium lourteigiae - Brazil 53- Psidium loustalotii - Cuba 54- Psidium maribense - Colombia, Venezuela, N Brazil 55- Psidium minutifolium - Cuba 56- Psidium misionum - Paraguay, Misiones 57- Psidium montanum - Jamaica 58- Psidium munizianum - Cuba 59- Psidium myrsinites - Brazil 60- Psidium myrtoides - Brazil 61- Psidium nannophyllum - Dominican Rep 62- Psidium navasense - Cuba 63- Psidium nummularia - Cuba 64- Psidium nutans - Brazil, NE Argentina 65- Psidium oblongatum - Minas Gerais, Espírito Santo 66- Psidium oblongifolium - SE Brazil 67- Psidium oligospermum - Minas Gerais, Paraíba 68- Psidium oncocalyx - Bahia 69- Psidium orbifolium - Cuba 70- Psidium ovale - Minas Gerais, Santa Catarina.
71- Psidium parvifolium - Cuba 72- Psidium pedicellatum - Colombia, Ecuador 73- Psidium pigmeum - SE Brazil 74- Psidium raimondii - Peru 75- Psidium ramboanum - Mato Grosso 76- Psidium ratterianum - Brasília 77- Psidium refractum - Goiás 78- Psidium reptans - Paraná 79- Psidium reversum - Sierra Sagua Baracoa in Cuba 80- Psidium rhombeum - Bahia 81- Psidium riparium - Brazil 82- Psidium robustum - Maranhão, Minas Gerais, São Paulo 83- Psidium rostratum - Peru 84- Psidium rotundatum - Cuba 85- Psidium rufum - Brazil 86- Psidium rutidocarpum - Peru 87- Psidium salutare - Central + South America, West Indies, S Mexico 88- Psidium sartorianum - Central + South America, West Indies, Mexico 89- Psidium schenckianum - E Brazil 90- Psidium scopulorum - Cuba 91- Psidium sessilifolium - Dominican Rep 92- Psidium sintenisii - Puerto Rico 93- Psidium sorocabense - SE Brazil 94- Psidium striatulum -Brazil, Venezuela, Guyana, Suriname 95- Psidium tenuirame - Cuba 96- Psidium trilobum - Massif du Nord in Haiti Source: Psidium - From Wikipedia, the free encyclopedia