{"id":10640,"date":"2025-12-19T14:43:25","date_gmt":"2025-12-19T13:43:25","guid":{"rendered":"https:\/\/xiloteca.it\/legno\/guiacum-spp\/"},"modified":"2026-02-04T10:24:34","modified_gmt":"2026-02-04T09:24:34","slug":"guiacum-spp","status":"publish","type":"legno","link":"https:\/\/xiloteca.it\/en\/legno\/guiacum-spp\/","title":{"rendered":"Guiacum spp."},"content":{"rendered":"","protected":false},"featured_media":11082,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"classe-di-utilizzo":[],"continente":[460],"durabilita-insetti":[463],"durabilita-funghi":[476],"famiglia":[309],"lista-rossa-iucn":[],"ritiro-radiale":[],"ritiro-tangenziale":[],"tessitura":[470],"venatura":[474],"class_list":["post-10640","legno","type-legno","status-publish","has-post-thumbnail","hentry","continente-south-america","durabilita-insetti-resistant","durabilita-funghi-very-durable","famiglia-zygophyllaceae","tessitura-fine","venatura-obvious"],"acf":{"id_viewer":"XC_000111","nome_comune":"","nomi_comuni":null,"immagine_preview":13395,"immagine_mosaico":15446,"immagine_lightbox":13396,"tessitura":"Fine","venatura":"Evidente","colore":"","paesi_origine_e_distribuzione":"Central America: Anguilla, Antigua and Barbuda, Bahamas, Barbados, Belize, Colombia, Costa Rica, Cuba, Dominica, Dominican Republic, Florida, Grenada, Guadeloupe, Guatemala, Haiti, Honduras, Jamaica, Martinique, Mexico, Montserrat, Nicaragua, Netherlands Antilles, Panama, Puerto Rico, Saint Barthélemy, Saint Martin, Saint Vincent and the Grenadines, Turks and Caicos Islands, Venezuela, Virgin Islands. Introduced in Thailand.","morfologia":"Slow-growing trees or shrubs, they can reach heights of 20 m but are typically less than half that height. The bark is greenish-brown and fissured. The leaves are pinnate, oval or oblong, and obtuse. It produces blue flowers and cord-shaped capsules.","habitat_ed_ecologia":"Species of dry plain forests, they frequently grow in coastal areas.","info_minacce":"These species are near extinction due to their historical overexploitation for timber and, at one time, for medicinal purposes. Both legal and illegal trade in their wood continues to pose a serious threat.","legno_minacciato":false,"misure_di_conservazione":"Guaiacum officinale and G. sanctum are included in Appendix II of CITES, the first species is present in protected areas and also cultivated in various ex situ collections (BGCI 2018).","lista_rossa":"Guaiacum officinale EN - Endangered (2017); Guaiacum sanctum EN - Endangered (1998).","multispecie_lista_rossa":null,"anno_di_valutazione":"","cites":"Guaiacum officinale Appendix II, 11\/06\/1992; G. sanctum Appendix II, 01\/07\/1975.","legno_descrizione":"The sapwood is whitish and the heartwood is dark green, grayish brown, or bronze. It has a greasy appearance, a fine texture, often interwoven grain, and a density of 1.10 to 1.30. Drying and all processing are difficult due to its extreme hardness. Its mechanical strength is very high, and its durability is excellent even in humid environments.","aree_di_applicazione_utilizzi_generali":"It is used for handles, sports tools, turned objects but is particularly appreciated for bearings and propeller shaft supports.","utilizzo_per_liuteria_ambito_musicale":"","uso_musicale":false,"altro":"From a commercial standpoint, the species of interest are: Guaiacum officinale L. and G. sanctum L. Given their poor state of preservation in the wild, their use should be avoided. The wood is more or less aromatic, and a volatile oil is extracted from it, used in perfumery to adulterate rose essence. The balsamic resin secreted by the trunks is used medicinally as an antirheumatic, diaphoretic, and purifying agent.","immagine_albero":13394,"autore":"","massa_volumetrica":1260,"ritiro_radiale":53,"ritiro_tangenziale":87,"modulo_di_rottura":124,"modulo_di_elasticita":17110,"altezza_albero":20,"diametro_albero":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Guiacum spp. - Xiloteca Trevigiana<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/xiloteca.it\/en\/legno\/guiacum-spp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Guiacum spp. - Xiloteca Trevigiana\" \/>\n<meta property=\"og:description\" content=\"...\" \/>\n<meta property=\"og:url\" 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