Cylindropuntia acanthocarpa var. coloradensis

(L. D. Benson) Pinkava

J. Arizona-Nevada Acad. Sci. 32: 42. 1999.

Basionyms: Opuntia acanthocarpa var. coloradensis L. D. Benson Cacti Arizona ed. 3, 20, 34, figs. 1.4–1.6. 1969
Treatment appears in FNA Volume 4. Treatment on page 117. Mentioned on page 116.

Trees or sometimes shrubs, with few branches, usually at acute angles. Stem segments ± yellowish green, 10–30 cm; tubercles salient, elongate, (1.5–) 2–3 cm. Spines 18–30+ per areole, yellow to light-brown, aging dark gray, baggy sheathed; major abaxial spines deflexed to divergent. Flowers: inner tepals bright-yellow. Fruits densely spiny; areoles 16–30.2n = 22.


Phenology: Flowering spring–early summer (Mar–Jun).
Habitat: Sonoran and Mojave deserts, edges of juniper woodlands, sandy flats, rocky slopes
Elevation: 400-1200 m

Distribution

V4 225-distribution-map.gif

Ariz., Calif., Nev., Utah, Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.

subterete +  and flattened +
ascending-divergent +
gray +, tan +  and deep redbrown +
cushionlike +
gray +  and tan +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
deciduous +  and persistent +
0.4 cm4 mm <br />0.004 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
16 +  and 30 +
elliptic +  and subcircular +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Donald J. Pinkava +
(L. D. Benson) Pinkava +
Opuntia acanthocarpa var. coloradensis +
3 cm30 mm <br />0.03 m <br /> (3.8 cm38 mm <br />0.038 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (3 cm30 mm <br />0.03 m <br />) +
proliferating +
flattened +  and cylindric +
Ariz. +, Calif. +, Nev. +, Utah +  and Mexico (Sonora) +
400-1200 m +
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 />) +
spiny +  and spineless +
indehiscent +
persistent +, long +  and deciduous +
15mm;35mm +
tuberculate +
obconic +  and ellipsoid +
dry +  and fleshy +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Sonoran and Mojave deserts, edges of juniper woodlands, sandy flats, rocky slopes +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
deciduous +
flattened +  and conic +
0 cm0 mm <br />0 m <br /> (3 cm30 mm <br />0.03 m <br />) +
succulent +
tuberculate +
fluted;spheric;depressed-spheric or club-shaped +
tinged color +
sometimes covered by outgrowths of proximal portion of style base or of flower tube wall +  and open +
persistent +  and deciduous +
Flowering spring–early summer (Mar–Jun). +
ridgelike +  and nipple--shaped +
J. Arizona-Nevada Acad. Sci. +
3;2;2;30 +
tuberlike +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
warped;squarish;angular +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
tight-fitting +
Illustrated +
dark gray +, yellow +  and light-brown +
deciduous +  and persistent +
conspicuous +
18 (?) +  and 30 (?) +
flattened +
hard +  and rigid +
decurrent +
winged +  and unsegmented +
tuberculate +  and smooth +
30 cm300 mm <br />0.3 m <br /> (50 cm500 mm <br />0.5 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
yellowish green +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
segmented +
woody +  and succulent +
white +  and light green +
white +  and light green +
Opuntia sect. Cylindropuntia +
adventitious +
tuberlike +
epipetric +  and epiphytic +
Cylindropuntia acanthocarpa var. coloradensis +
Cylindropuntia acanthocarpa +
variety +
dull +  and glossy +
yellow +  and golden +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
narrow +  and broad +
shrub +  and tree +
terrestrial;epiphytic or epipetric +
gray-black +, yellowish +  and tan +