Mexico, Sonora, Cultivated at Desert Botanical Garden, Maricopa County, 33 deg 27' 33'' N, 111deg 56' 35'', 1200 feet, East of Visitors Building, no accession number, Seed collected by John Weber in 1963, Sierra de los Alamos, Sonora, Mexico.
27.023043 -108.933997 +-15000m.
Pedicels glandular, orange on banner, petal otherwise canary yellow. New buds with bracts still clasping although abscissed.