Cylindropuntia acanthocarpa var. acanthocarpa

Treatment appears in FNA Volume 4. Treatment on page 117. Mentioned on page 116.

Shrubs or small trees, with few branches, usually at acute angles. Stem segments green, 6–17.5 cm; tubercles broad, rounded, oval, 1.5–2.2 cm. Spines 15–25 per areole, brown, aging gray, not baggy sheathed; major 5–7 abaxial spines deflexed, subparallel. Flowers: inner tepals yellow-green, sometimes reddish orange tinged. Fruits densely spiny; areoles 16–26.


Phenology: Flowering spring (May).
Habitat: Mojave Desert, edges of juniper woodlands, rocky slopes
Elevation: 1100-1200 m

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 26 +
elliptic +  and subcircular +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Donald J. Pinkava +
(Engelmann & J. M. Bigelow) F. M. Knuth in C. Backeberg and F. M. Knuth +
Opuntia acanthocarpa +
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. +  and Utah. +
1100-1200 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 />) +
Mojave Desert, edges of juniper woodlands, 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 (May). +
ridgelike +  and nipple--shaped +
in C. Backeberg and F. M. Knuth, Kaktus-ABC, +
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 +
not sheathed +
gray +  and brown +
deciduous +  and persistent +
conspicuous +
15 (?) +  and 25 (?) +
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 />) +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
6 cm60 mm <br />0.06 m <br /> (17.5 cm175 mm <br />0.175 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. acanthocarpa +
Cylindropuntia acanthocarpa +
variety +
dull +  and glossy +
yellow +  and golden +
oval +  and rounded +
1.5 cm15 mm <br />0.015 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
tree +  and shrub +
terrestrial;epiphytic or epipetric +
gray-black +, yellowish +  and tan +