Photo Guillermo Chaves.
Ulmus mexicana (Liebm.) Planch.
Kingdom: Plantae
Filo: Magnoliophyta
Class: Magnoliopsida (Dec.)
Order: Rosales
Family: Ulmaceae
Genus: Ulmus
Species: U. Mexican
Common names: Tirrá, elm, wild cherry.
Its scientific name has Abbreviations (Liebm.) by Frederik Michael Liebmann (1813 - 1856) Danish botanist. Planch. is in honor of Jules Émile Planchon (1823-1888) was a French botanist born in the Ganges, Hérault. (1)
Photo Guillermo Chaves.
Description:
is a large deciduous tree that is endemic to Mexico and Central America , is also known as the American elm because it is the only species of elm native to this region. This elm can form large populations that protect streams in the central region of Costa Rica, also in the Valley Reventazón and Cordillera de Talamanca Range and Tilarán . The species shown in the photo is in the Cerros de Escazú .
In Celtic mythology , elms representing the deities responsible for protecting rivers, lakes and wells. The trees are venerated since the Stone Age by the benefits to humans and the environment. grow abundantly in the gallery forests and the hills creeks. (2)
is a tree in Costa Rica grows in moist pre-montane forests and montane with an annual rainfall between 2500 and 4000 mm. It lies between 600 and 2000 m. elevation. (3)
is a tree that stands out for this beautiful light green foliage of a glossy, photo Guillermo Chaves.
Tree up to 35 m. tall and 1 m. diameter. The crown is irregular, open and compact with spreading branches. Completely lose foliage at the beginning of the dry season and the coated produce new leaves of a lime-green hue. Its leaves are simple, alternate, lanceolate or oval with serrated edges, large 5 to 10 cm long and 2 to 3 cm wide. The flowers are between December and February and fruits in February and March. Its flowers are grouped together, usually in defoliated branches in small clusters or groups of umbels, yellowish green.
has been exploited for its hard wood is used in construction, particularly for tablet Tabloncillo wall and should be used on floors. Natural regeneration is poor, and the Central Valley, to be a common species today virtually unknown to most of the population.
Costa Rica in the name of the district Tirrases Canton Curridabat , Province of San Jose, is derived from the tree called TIRR huetares by Indians.
A very good description of the phenology and reproduction at this address: http://www.tec.cr/sitios/Docencia/forestal/Revista_Kuru/anteriores/anterior16/pdf/solucion% 203.pdf
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