United States, Texas, Starr, At the end of the bluff road which follows the Rio Grande, SW of Santa Margarita. Between Falcon and Roma.
Scattered perennial herb on upper sandstone-gravel terrace.
flowers
Sheet
[Typed label erroneously gives date as 7/23/1977, but clearly 7/23/1975 is correct (see other specimens in this number series, and Stuart Strong also states that it was 1973. Specimen label corrected.]