United States, Texas, Brooks, W side of US Rt. 281 ca. 0.35 mi. S of culvert under bridge over Baluarte Creek, ca. 3 mi. S of Falfurrias. Falfurrias Quadrangle.
27.17028 -98.14861
Rare in very fine sand on very low (ca. 1 dm tall) sandhills in seldom-mown grassland on highway right-of-way. Associates include Acalypha radians, Ambrosia psilostachya, Aristida purpurea, Bradburia hirtella, Calylophus sp., Cenchrus ciliaris, C. incertus, Cirsium texanum, Croton sp., Eragrostis spp., Gaillardia pulchella, Galactia canescens, Heterotheca subaxillaris, Iva texensis, M. punctata, Nama cf. hispidum, Paronychia lundellorum, Phyla sp., Polygala sp., Prosopis glandulosa, P. reptans, Rhynchosia americana, Spartina spartinae, Yucca sp.