Callahan County was formed by the Texas legislature in 1858 from Bexar, Bosque, and Travis counties and named for James Hughes Callahan, a survivor of the Goliad Massacre and leader of the Callahan expedition.
DESCRIPTION Back To: Menu Bar. Mango trees are deep-rooted, symmetrical evergreens that attain heights of 90 feet and widths of 80 feet. Mango trees have simple alternate lanceolate leaves that are 12 to 16 inches in length and yellow-green, purple, or copper in color when young.Mature leaves are leathery, glossy, and deep green in color.New leaves arise in terminal growth flushes that occur several times a year.ango trees have simple alternate lanceolate leaves that are 12 to 16 inches in length and yellow-green, purple, or copper in color when young. Mature leaves are leathery, glossy, and deep green in color. New leaves arise in terminal growth flushes that occur several times a year.
The Mango (Mangifera) genus of trees is part of the sumac plant family (Anacardiaceae), known for its other toxic genus groups, such as Poison Sumac (Rhus), and the Poison Ivy, Poison Oak genus (Toxicodendron).angifera tree species are mainly cultivated in Asia, however specific species have been introduced to other parts of the world for food production. About 27 species in the Mangifera genus produce edible fleshy fruits the most well known being the common Mango (Mangifera indica).