Sust. MASC. Planting trees of tilo, of the family of the malvaceae ( formerly Linden ) genus «Tilia», native to temperate regions of the northern hemisphere, of the following characteristics: ) straight stems of 20 to 40 metres tall and up to a metre in diameter; (b) ) easily labrables; c ) long-lived: up to 900 years; (d) ) deciduous ( seasonally devoid of leaves ) e ) strongly aromatic leaves, up to 20 cm of width, cordate ( 41 heart-shaped; e ) Likewise very aromatic flowers, with which prepare tranquilizers and somníferas infusions improperly known as «tila tea» ( the tea is tea; forgive the truism ) f ) prone to hybridization ( mixture among 41 species, thus hindering their taxonomic determination.