Heliotropium confertifolium Torr. ex A. Gray的圖片

描述：

on coarse gravelly calcareous silts of alluvial bluff above Rio Grande River with Schaefferia cuneifolia, Krameria ramosissima, Karwinskia, Leucophyllum frutescens,Aloysia macrostachya, Vachellia rigidula, Forestieria angustifolia, Ephedra antisyphilitica, Yucca constricta, Jatropha dioica, Opuntia leptocaulis, Lippia graveolens,Guaiacum angustifolium, Calliandra conferta, Sida tragiaefolia, Polygala lindheimeri