Mexican Pinyon

Description:

Species native to Mexico. It extends to Texas, New Mexico and Arizona, south of U.S. It is an evergreen tree, 5 to 10 m (15 m) tall with a diameter at breast height (30 cm to 70 cm). Its crown is rounded and mature open and pyramidal (spaced) in young individuals, with sparse foliage, especially in very dry, somewhat bluish dark green, pale yellow sometimes. The leaves in groups of 2 to 3, between 2.5 and 10 cm in length, covering plenty of twigs and leaves a scar when they fall. It has short trunk and ascending branches, thin and placed irregularly on the stem, usually starting from the base. Its outer bark is reddish brown to almost black, broken into thick sheets, with small thin scales and deep fissures. Male flowers in cylindrical catkins. Cones subglobose 5 to 6 cm wide, almost without stalk, singly or in groups of 5, deciduous with large scales thick, fleshy when green and green-brown or reddish orange when mature cone. (wikipedia)

Habitat:

It takes place on hillsides and ridges, dry rocky slopes at the foot of the mountains. In dry temperate climate (Bsk) to temperate subhumid (CWB) with rainfall of 365 to 450 (to 800) mm per year and with 7 or 8 dry months. T ranging from 7 ° to 40 ° C with averages of 18 º C, reaching extreme minimum of -7 ° C and maximum 42 ° C or sometimes higher. Is a typical species of poor soils, dry, stony, limestone, gray or black, rich in limestone plaster, thin in hills and alluvial valleys with very good drainage and a pH of 4 to 8, usually prefers soils neutral to alkaline.(Wikipedia)