United States, Texas, McMullen, Just N of road along southern perimeter fenceline of U. S. Navy's Escondido Ranch, 1.4 airmiles W to WSW of confluence of Mirasol and Ygnacio creeks, 6.3-6.4 airmiles E to ENE of SW corner of county, at N28o04'38.8", W098o42'13.2". Mirasol Creek Quadrangl
28.07744 -98.70367
Occasional in moister spots in herbaceous vegetation and stump sprouts in broad hunting sendero cut through mixed-stature thornscrub on clayey soils on gently undulating upland underlain by Miocene strata of the Frio Formation. Associates include Abutilon incanum, Acacia berlandieri, A. rigidula, A. schaffneri, Acleisanthes obtusa, Ambrosia confertiflora, Aristida purpurea, Cenchrus spinifex, Chamaesyce serpens, Chloris cucullata, Clematis drummondii, Croton lindheimerianus, Desmanthus virgatus, Ditaxis humilis, Dyssodia tenuiloba, Guaiacum angustifolium, Kallstroemia spp., Leptochloa filiformis, Lantana macropoda, Lycium berlandieri, Mollugo verticillata, Nyctaginea capitata, Prosopis glandulosa, Sida abutifolia, Talinum aurantiacum, Tidestroemia lanuginosa.