Collected
10 July 1990.
Texas, United States
Locality: Duval Co., Hwy 16, 2.3 mi. S of jct. Hwy 339, S of Freer.
Environment description: Tamaulipan Thornscrub w/ Acacia rigidula, Prosopis glandulosa, Sophora secundiflora, Berberis trifoliata, Celtis pallida.
Number of plants sampled: 1