LEAVES: 4-9 mm long, 1.7-2.5 mm wide. FLOWERS: sepals 2-4 mm long; petals mostly 6-9 mm long, to 3mm wide. 2n in AZ = 32. NOTES: See also parent taxon. Open rocky areas: Apache, Coconino, Navajo cos.; 2000-2400 m (6500-8000 ft); Jun-Aug, CA, NM, n to Yukon and Northwest Territories, Can. REFERENCES: Moran, Reid. 1994. Bixaceae. J. Ariz. – Nev. Acad. Sci. Volume 27, 190-194.