United States, Texas, Val Verde, Amistad National Recreation Area: Canyon 74 across from Rio Grande Buoy 28. Sample plot no. 74. Box Canyon Quad (1:24,000).
29.58425 -101.23494
Gravelly (limestone) silty bench above small intermittent drainage in former inundation zone; huisache-mesquite-salt cedar woodland with tasajillo. With Opuntia leptocaulis, Prosopis glandulosa, Tamarix ramosissima, and Acacia minuata. Rare shrub to 1 m. Corolla yellow.
fruits
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Flora of Amistad National Recreation Area. NPS accession No.: AMIS-00291. NPS Catalog No.: AMIS 41462. [NOTE: This specimen property of National Park Service, on "permanent" loan to TEX.].