04 December 2015.
Texas, United States
Locality: north side of Hwy 285, between Riviera and Falfurrias, Kleberg county
Coordinates: 27.2574, -97.9459
(Map it)
Elevation: 30m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Grassland and weedy roadside on flat, with deep, sandy soil with Quercus and Prosopis.
Comment: pop size 100; plants up to 3.0 m tall
Collector(s):