William R. Carr|Danny Carrera|Lisa Williams|Lee F. Elliott
20571
2002-04-03
2002-4-3
United States, Texas, Starr, W side of a N-S ranch road ca. 0.4 mi. S of La Sagunada Rd. from a point 3.7-3.8 roadmiles W of F. M. 755. Eladio Carrera Ranch. Rio Grande City North Quadrangle.
26.4792 -98.78742
Rare on property, noted only at this site; stems numerous, forming colonies 6 ft. in diam., in open mesquite woodland with denser shrub layer, on calcareous, moderately alkaline, light brownish-gray, fine sandy loam (Copita Series). Associates include Prosopis glandulosa, Guaiacum angustifolium, Acacia wrightii var. wrightii, Opuntia leptocaulis, Parkinsonia cf. texana.