Pediocactus peeblesianus (Croizat) L. Benson
Family: Cactaceae
Navajo pincushion cactus,  more...
[Echinocactus peeblesianus (Croizat) L.D.Benson,  more]
Pediocactus peeblesianus image
Daniela Roth  
Plants branched or unbranched. Stems gray-green, obovoid, globose or depressed-globose, 2-6.5 × 1.5-5.5 cm; areoles circular, lanulose. Spines soft and corky or spongy, harder at tips, white to pale gray, all radial or with 1 central and sometimes 0-1 intermediate spines per areole; radial spines 3-7 per areole, 2-9 × 0.5-1 mm; intermediate spines curved upward, 8-21 × 0.7-1.5 mm; central spine, when present, 5-18 × 1 mm. Flowers 1-1.4 × 1.5-2.5 cm; scales and outer tepals minutely toothed or denticulate or entire and undulate; outer tepals with brown-purple midstripes, oblanceolate, 5-13 × 2-4.5 mm; inner tepals cream, yellow, or yellowish green, lanceolate, 6-12(-15) mm. Fruits green, drying reddish brown, turbinate, 6-11 × 5-8 mm. Seeds dark brown to black, 3 × 2 mm, papillate and rugose.
Plant: STEMS solitary or clustered, somewhat glaucous, mostly obovoid, globose or depressed-globose, 2.2-6 cm long, 2-5.5 cm in diameter, the stem apex at or to 3 cm above soil surface; tubercles 3-7 mm long, 4-6 mm broad; areoles circular Leaves: SPINES white to pale gray, corky, not obscuring the stem; central spines 0-1, 0.8-2.1 cm long, 0.7-1.5 mm wide at the base, ascending, curved upward; radial spines 3-7, 2-9 mm long, 0.5-1 mm in width, recurved Flowers: 1.5-2.5 cm in diameter; outer tepals with pink or green midstripes; inner tepals cream, yellow or yellowish-green, 0.5-1.3 cm long, about 3 mm broad, lanceolate; stigma yellow Fruit: FRUITS green turning reddish-brown, 7-11 mm long, 6-11 mm in diameter, with a few scales on upper portion, top-shaped and basally constricted, dehiscing by a vertical slit. SEEDS dark brown to black, obliquely pyriform, papillate and rugose, ca. 3 mm long and 2 mm wide Misc: Desertscrub and desert grasslands; Apr-May REFERENCES: Heil, Kenneth D., and Mark J. Porter. 2001. Cactaceae. J. Ariz. - Nev. Acad. Sci. Volume 33(1)
Pediocactus peeblesianus image
Greg Goodwin  
Pediocactus peeblesianus image
Greg Goodwin  
Pediocactus peeblesianus image
Greg Goodwin  
Pediocactus peeblesianus image
Daniela Roth  
Pediocactus peeblesianus image
Greg Goodwin  
Pediocactus peeblesianus image
Greg Goodwin  
Pediocactus peeblesianus image
Greg Goodwin  
Pediocactus peeblesianus image
Daniela Roth  
Pediocactus peeblesianus image
Greg Goodwin  
Pediocactus peeblesianus image
Greg Goodwin  
The National Science Foundation
This project made possible by National Science Foundation Award 1410069