Family: Cactaceae
[Navajoa peeblesiana subsp. menzelii (Hochstätter) Hochstätter, more...]
Plants unbranched. Stems 2-4 × 1.5-4.5 cm. Spines all radial, (3-)4(-5) per areole, curved upward toward apex of plant, 3-8 × 1 mm.
Flowering spring. Great Basin desert scrub, desert grasslands, gravelly soils; of conservation concern; 1500-1700 m; Ariz.
STEMS: 2.2-6 cm long, 2.7-4.5 cm in diameter.
SPINES: central spines 0; peripheral (intermediate) spines 1, 0.8-2.1 cm long, 0.7-1.5 mm wide at the base; radial spines 3-6, 2-9 mm long, 0.5-1 mm wide.
NOTES: See also parent taxon. Desertscrub: endemic to Navajo co.; 1500 m (5100 ft); Apr-May.
REFERENCES: Heil, Kenneth D., and Mark J. Porter. 2001. Cactaceae. J. Ariz. - Nev. Acad. Sci. Volume 33(1)
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