Jaime Sanchez

• Juarez University of the State of Durango

A compendium of the legumes of the subfamily Papilionoideae, tribes Amorpheae, Brongniarteae, and Dalbergieae in northeastern Mexico is presented for the first time, including changes in their botanical nomenclature within tribes and genera. Based on recently published studies, the taxonomic limits of several genera and new ones segregated such as...

Hidrocoras seeds usually have some type of structures for dispersion in water. The structures may have less density than water, low specific weight, chambers of air, spongy tissue and small cotyledons with spongy tissue. This study evaluated the ability of buoyancy of Astrophytum coahuilense seeds and the structures that give this feature. The dens...

The mesquite (Prosopis laevigata [Humb. & Bonpl. ex Willd.) M. C. Johnst.) communities of Cuencamé and San Juan de Guadalupe, Durango, Mexico, were characterized in terms of their structure, richness and floral composition. Population density, basal area, aerial coverage, absolute and relative frequencies and, importance value index of arboreal and...

A list of the diversity of cacti in the arid and semi-arid zone of Durango, Mexico is presented. The zone includes 16 municipalities that belong to the Region of Chihuahua Desert. Field trips were made for specimen collection and registration in each municipality. The best represented genera are Coryphantha, Opuntia, Echinocereus and Mammillaria. T...

Peniocereus greggii variety greggii is a protected species that is collected illegally in Parque Estatal Cañón de Fernandez. It is associated with fertility islands formed by mesquites Prosopis glandulosa and P. laevigata. It has a root that is used as food, it can be used to treat kidney problems, and it is a cardiac stimulant. Peniocereus greggii...

Se estudio el matorral submontano adyacente a la Llanura Costera del Golfo en el estado de Nuevo León. se registraron los valores de cobertura, densidad, altura, frecuencia y valor de importancia de todas las arbustivas presentes en los 39 sitios de muestreo. Se registraron 233 taxa, que incluyen 55 familias, 150 géneros y 228 especies de plantas v...

Se estudio el matorral submontano adyacente al la Llanura Costera del Golfo en el estado de Nuevo León. Se registraon los valores de cobertura, altura, frecuencia y valor de importancia de todas las arbustivas presentes en los 39 sitios de muestreo. Se registraron 233 taxa, que incluyen 55 familias, 150 géneros y 228 especies de plantas vasculares....

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