Star-shaped, 5-petaled, blue flowers (1" diameter) in terminal clusters bloom on and off throughout the year, but most frequently in early spring (March-April). Guaiacum sanctum Figure 1. It can grow in semi-shade (light woodland) or no shade. Summary. Abundant flowers range in color from purple to blue, it is the national flower of Jamaica. Infiorescenze fascicolate terminali, in primavera e autunno, con 4-8 fiori di colore blu o porpora con 5 sepali e 5 petali unguicolati (petali con la base lungamente ristretta simile ad uno stelo) e arrotondati all’apice, lunghi 0,7-1,2 cm e larghi 0,6-0,8 cm, e 10 stami con antere gialle. Guaiacum sanctum is an evergreen Tree growing to 6 m (19ft) by 6 m (19ft) at a slow rate. Come anche le altre specie di Guaiacum è inserito nelle liste CITES. Guaiacum sanctum – Holywood Lignum Vitae (4″ pot) $ 20.00. The tree usually branches from low-down, often forming multiple trunks It is considered to be the hardest wood ever commercially used. Guaiacum officinale is one of two species yielding the true lignum vitae, the other being Guaiacum sanctum. Lignum Vitae, Tree of Life, Gaiac tree. This tree is sometimes referred to as the "tree of life" because of its many uses. The trees are indigenous to the Caribbean and the northern coast of South America and have been an important export crop to Europe since the beginning of the 16th century. Può essere anche usato come legno da pipa. È il legno più duro e con la più alta densità (fino a 1370 kg/m3), l’alto contenuto di resina (fino al 26%), che si comporta come lubrificante, ha fatto sì che in passato fosse ampiamente utilizzato per fabbricare ingranaggi, pulegge, cuscinetti e alberi di trasmissione, e per la sua durezza per utensili, attrezzi, strumenti a percussione, oltre che per mobili, oggetti di artigianato e in applicazioni navali, per la resistenza all’acqua, è inoltre resisten- te, sempre grazie alla resina, agli attacchi degli insetti. Specie di crescita particolarmente lenta, è coltivabile nelle zone a clima tropicale e subtropicale in pieno sole, per crescere al meglio, o leggera ombreggiatura, non è particolarmente esigente riguardo al suolo, anche povero; piante ben radicate possono resistere a periodi di siccità. Also serves as an attractive ornamental lawn tree. Rare and slow growing small tree, hard to propagate. More Accounts and Images; Integrated Taxonomic Information System (GUAJA) Wildlife. ex Rydb. Interpreting Wetland Status. Guaiacum wood, also known as Lignum vitae, a name given to it from a belief that its medicinal virtues were of a superior kind, is largely imported into this country from the West Indies for making block-sheaves, wooden pestles, and many other objects, for which it is peculiarly fitted by its extraordinary hardness and toughness. © MONACO NATURE ENCYCLOPEDIA | All rights reserved. Good drought tolerance. The wood is hard, heavy and self-lubricating and has a Janka Hardness Score of 4500, which is one of the hardest in the world. Di grande valore ornamentale e paesaggistico, può essere utilizzato come esemplare isolato o in filari per fiancheggiare viali, resiste al vento e alla salsedine, può essere quindi impiegato in prossimità del mare. Guaiacum sanctum is listed as endangered on the International Union for Conservation of Nature's RED LIST of Threatened Species and in Appendix II of CITES. Kenneth Setzer Fairchild Tropical Botanic Garden La specie è attualmente iscritta nell’appendice II della CITES (specie per la quale il commercio è regolamentato a livello internazionale); l’Unione Internazionale per la Conservazione della Natura (IUCN) l’ha inserito nella lista delle piante ad altissimo rischio di estinzione in natura nel prossimo futuro (“endangered”). 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