Permeability is very slow. Runoff is high on 3 to 5 percent slopes and very high on slopes greater than 5 percent. Water enters the soil rapidly when it is dry and cracked and very slowly when it is wet. Largely native rangeland. Native grasses are mainly little bluestem, sideoats grama, buffalograss, Texas wintergrass and silver bluestem.
Woody plants are mesquite, huisache, hackberry and thorny brush.
Pricklypear is an invader. Northeastern part of the Rio Grande Plain of Texas. The series is of minor extent. Classification change from Entic Pellusterts to Chromic Udic Haplusterts based on application of 2nd edition of Soil Taxonomy, 1999. Chromic feature - color value, moist, of 4 or more and color value, dry, of 6 or more within the upper 12 inches of the surface.