Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 30. Chapters: Trees of Nuevo Leon, Malpighia emarginata, Pecan, Cornus florida, Limber Pine, Diospyros texana, Guaiacum angustifolium, Campanula rotundifolia, Cercis canadensis, Acacia greggii, Ebenopsis ebano, Parthenium argentatum, Acacia berlandieri, Acacia rigidula, Cornus sericea, Ehretia anacua, Agave americana, Caesalpinia mexicana, Astrophytum asterias, Salix taxifolia, Cordia boissieri, Parkinsonia aculeata, Jatropha cathartica, Rhamnus betulaefolia, Schizachyrium scoparium, Pinus remota, Lesquerella fendleri, Leucophyllum frutescens, Pinus culminicola, Salvia ballotiflora, Yucca torreyi, Frankenia johnstonii, Juniperus pinchotii, Karwinskia humboldtiana, Quercus breviloba, Picea martinezii, Phoradendron leucarpum, Aztekium, Eysenhardtia texana, Erythrina coralloides, Prunus mexicana, Mahonia trifoliolata, Quercus fusiformis, Bauhinia lunarioides, Aztekium ritteri, Zinnia acerosa, Taxus globosa, Geohintonia. Excerpt: The pecan (, or ), Carya illinoinensis, is a species of hickory, native to south-central North America, in Mexico from Coahuila south to Jalisco and Veracruz, in the United States from southern Iowa, Illinois, Missouri, and Indiana east to western Kentucky, North Carolina, South Carolina, and western Tennessee, south through Georgia, Alabama, Mississippi, Louisiana, Texas, Oklahoma, Arkansas, and Florida, and west into New Mexico. "Pecan" is from an Algonquian word, meaning a nut requiring a stone to crack. In Mexico, pecans and walnuts share the same Spanish name, which is a cognate of the English word nut. Ripe pecan nuts on treeThe pecan tree is a large deciduous tree, growing to 20-40 m (66-130 ft) in height, rarely to 44 m (144 ft); taller trees to 50-55 m (160-180 ft) have been claimed but not verified. It typically has a spread of 12-23 m (39-75 ft) with a trunk up to 2 m (6.6 ft) diameter. A 10-...