Cylindropuntia acanthocarpa var. major

(Engelmann) Pinkava

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

Illustrated
Basionym: Opuntia echinocarpa var. major Engelmann Proc. Amer. Acad. Arts 3: 305. 1856
Synonyms: Cylindropuntia acanthocarpa var. ramosa (Peebles) Backeberg Opuntia acanthocarpa var. major (Engelmann & J. M. Bigelow) L. D. Benson Opuntia acanthocarpa var. ramosa Peebles Opuntia echinocarpa var. robustior J. M. Coulter
Treatment appears in FNA Volume 4. Mentioned on page 106, 109, 112, 114.
Revision as of 09:15, 30 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Shrubs, sprawling, with numerous branches, usually at obtuse angles. Stem segments green to dark green, 8–20 (–31) cm; tubercles salient, moderately broad, 1.5–2.5 cm. Spines 14–18 (–23) per areole, yellow to deep redbrown, aging gray, not baggy sheathed; major abaxial spines usually deflexed, spreading. Flowers: inner tepals yellow, bronze, or brick-red. Fruits spiny; areoles 14–22 (–26). 2n = 22.


Phenology: Flowering spring (Mar–Jun).
Habitat: Sonoran Desert, sandy flats, washes, rocky slopes
Elevation: 300-900 m

Discussion

Cylindropuntia acanthocarpa var. major hybridizes with C. bigelovii (= C. campii M. A. Baker & Pinkava).

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 />) +
14 +  and 22 +
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) Pinkava +
Opuntia echinocarpa var. major +
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 Mexico (Sonora) +
300-900 m +
salverform +, cup-shaped +  and rotate +
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 +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
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 Desert, sandy flats, washes, 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 (Mar–Jun). +
ridgelike +  and nipple--shaped +
J. Arizona-Nevada Acad. Sci. +
3;2;2;30 +
tuberlike +
pale-yellow +  and tan +
0.4mm;12mm +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
warped;squarish;angular +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
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 +, yellow +  and deep redbrown +
deciduous +  and persistent +
conspicuous +
14 (?) +  and 18 (?) +
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 />) +
20 cm200 mm <br />0.2 m <br /> (31 cm310 mm <br />0.31 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
green +  and dark green +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
8 cm80 mm <br />0.08 m <br /> (20 cm200 mm <br />0.2 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 +
Cylindropuntia acanthocarpa var. ramosa +, Opuntia acanthocarpa var. major +, Opuntia acanthocarpa var. ramosa +  and Opuntia echinocarpa var. robustior +
adventitious +
tuberlike +
epipetric +  and epiphytic +
Cylindropuntia acanthocarpa var. major +
Cylindropuntia acanthocarpa +
variety +
dull +  and glossy +
yellow +  and golden +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
200 cm2,000 mm <br />2 m <br /> (400 cm4,000 mm <br />4 m <br />) +
terrestrial;epiphytic or epipetric +
gray-black +, yellowish +  and tan +