Pediocactus peeblesianus

(Croizat) L. D. Benson

Cact. Succ. J. (Los Angeles) 34: 58. 1962.

Common names: Peebles Navajo cactus Navajo pincushion cactus
IllustratedEndemicConservation concern
Basionym: Navajoa peeblesiana Croizat Cact. Succ. J. (Los Angeles) 15: 89, fig. 42. 1943
Synonyms: Utahia peeblesianas (Croizat) Kladiwa
Treatment appears in FNA Volume 4. Treatment on page 213. Mentioned on page 164, 208, 212, 216.

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.

Discussion

Subspecies 2 (2 in the flora).

Selected References

None.

Key

1 Central spines 0; radial spines (3-)4(-5) per areole; stems unbranched Pediocactus peeblesianus subsp. peeblesi
1 Central spines (0-)1; radial spines 6-7 per areole; stems 0-4-branched Pediocactus peeblesianus subsp. fickeise
... more about "Pediocactus peeblesianus"
cushionlike +
deciduous +  and persistent +
elliptic +, pyriform +, oval +  and circular +
Kenneth D. Heil +  and J. Mark Porter +
(Croizat) L. D. Benson +
hardened +
Navajoa peeblesiana +
triangular +
curved +  and straight +
5mm +  and 18mm +
terete +  and flat +
1 cm10 mm <br />0.01 m <br /> (?) +
proliferating +
flattened +  and cylindric +
Peebles Navajo cactus +  and Navajo pincushion cactus +
mucilaginous +
not separating +
1 cm10 mm <br />0.01 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (15 cm150 mm <br />0.15 m <br />) +
1.5cm;2.5cm +
reddish-brown;green +
persistent +, long +  and deciduous +
6mm;11mm +
turbinate +
dry +, fleshy +  and juicy +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
deciduous +  and persistent +
rudimentary +
flat +  and terete +
nearly +  and microscopic +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
tuberculate +
fluted;spheric;depressed-spheric or club-shaped +
entire +  and fimbriate +
0.5 cm5 mm <br />0.005 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
deciduous +  and persistent +
mucilaginous +
ridgelike +  and nipple--shaped +
Cact. Succ. J. (Los Angeles) +
greenish +  and white +
3;2;2;30 +
undulate +, entire +, denticulate +  and toothed +
thin +  and broad +
arillate +  and strophiolate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
3 cm30 mm <br />0.03 m <br /> (?) +
rugose +  and papillate +
pyriform;obovoid +
2 cm20 mm <br />0.02 m <br /> (?) +
Illustrated +, Endemic +  and Conservation concern +
white +, gray +, pink +  and reddish tan +
deciduous +  and persistent +
8mm +  and 21mm +
recurved +, erect +  and spreading +
finely puberulent +  and glabrous +
3 (?) +  and 7 (?) +
pectinate +, awl-shaped +  and hairlike +
0.1 cm1 mm <br />0.001 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
harder +, spongy +  and corky +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
decurrent +
unsegmented +
gray-green +
2cm;6.5cm +
depressed-globose +, globose +  and obovoid +
succulent +
1.5cm;5.5cm +
yellow +  and green +
tuberculate +
Utahia peeblesianas +
adventitious +
tuberlike +
epipetric +  and epiphytic +
Pediocactus peeblesianus +
Pediocactus +
species +
dull +  and glossy +
not confluent +
mammillate +, cylindroid +, truncate-conic +, conic +  and pyramidal +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
unbranched +  and branched +
epiphytic;epiphytic;epiphytic +
hanging +  and erect to prostrate +
barrel-shaped +  and spheric +