Opuntia polyacantha var. hystricina (Engelm. & J.M.Bigelow) B.D.Parfitt
Cactaceae
Bruce D. Parfitt (1991)
Duplicate determined at ASU.
Bruce D. Parfitt
3546
1986-05-26
Timothy Reeves
USA, Arizona, Apache County, Navajo Nation; west end of mesa which is 4 miles WNW of the village of Lukachukai; along powerline road ca. 0.25 miles north of Navajo Highway 12 and northeast a butte called Tsedadahotsosi and WNW of Bad Bug (Back) Butte
35.1278 -109.537
1841 meters
6040ft
Grassland
White spined and brown spined plants in same population
White spined and brown spined plants in same population; flowering dates: 15, 23 June 1986; petals yellow; filaments deep red; style white; stigma light green; hypanthium rim areoles 8; below hypanthium rim areoles 24; pollen stain = 69.3%; micropollen = 0.2%