Kirti Mathura, Rosa Crespo, Scott McMahon, Frank Insana
USA, Utah, San Juan County, Canyonlands National Park, along trail, Upper Salt Creek, at boundary with Forest Service land, 611558 E, 4202275 N, NAD 83/84.
37.961236 -109.730061
UTM: 4202275 611558 12S
1851 meters
6075ft.
Open, sandy terrace above drainage
Atriplex canescens, Artemisia tridentata, Opuntia fragilis, O. polyacantha x O. phaeacantha, Gutierrezia sarothrae.
Occasional to frequent amongst other opuntia in what appears to be a hybrid swarm, flowers 46(l)x46(w) mm, 63x35 mm, outer perianth lemon yellow, inner perianth lemon yellow becoming light green, filaments light yellow-green becoming yellow, anthers cream, style white, stigma lobes green.