Mammillaria heyderi var. bullingtoniana

Castetter

Cact. Succ. J. (Los Angeles) 48: 138, figs. 1, 2. 1976.

Common names: Cream cactus
Illustrated
Treatment appears in FNA Volume 4. Treatment on page 256. Mentioned on page 232, 252, 255, 257.

Stems 5–11 × 5–12 (–15) cm; tubercles 11–25 × 4–8 mm. Spines usually 10–14 per areole; radial spines usually 10–14 per areole, abaxial radial spines 9–15 mm diam; central spines, when present, 0.35–0.45 mm diam. Flowers 2.2–3.3 × 1.7–3 cm. 2n = 22.


Phenology: Flowering Mar–May; fruiting Nov–May.
Habitat: Chihuahuan desert scrub, desert grasslands, lower edge of oak zone
Elevation: 1200-2100 m

Distribution

V4 470-distribution-map.gif

Ariz., N.Mex., Mexico (Chihuahua)

Discussion

L. D. Benson’s (1982) concepts of Mammillaria gummifera varieties all included material of M. heyderi var. bullingtoniana. The stems, spines, and tubercles of var. bullingtoniana average about one-fourth larger than var. heyderi in all dimensions.

Selected References

None.

Lower Taxa

None.
cushionlike +
needlelike +  and bristlelike +
circular to linear +
2.5 cm25 mm <br />0.025 m <br /> (3.1 cm31 mm <br />0.031 m <br />) +
deciduous +  and persistent +
0.2 cm2 mm <br />0.002 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
plumose +  and hairlike +
0.001 cm0.01 mm <br />1.0e-5 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
Allan D. Zimmerman +  and Bruce D. Parfitt +
Castetter +
hardened +
triangular +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
curved +  and straight +
0.035 cm0.35 mm <br />3.5e-4 m <br /> (0.045 cm0.45 mm <br />4.5e-4 m <br />) +
2mm +  and 8mm +
ascending +  and porrect +
0.015 cm0.15 mm <br />1.5e-4 m <br /> (0.045 cm0.45 mm <br />4.5e-4 m <br />) +
proliferating +
flattened +  and cylindric +
Cream cactus +
not mucilaginous +
Ariz. +, N.Mex. +  and Mexico (Chihuahua) +
1200-2100 m +
not separating +
4 cm40 mm <br />0.04 m <br /> (5.2 cm52 mm <br />0.052 m <br />) +
3.5 cm35 mm <br />0.035 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
unconnected +
2.2 cm22 mm <br />0.022 m <br /> (3.3 cm33 mm <br />0.033 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 />) +
1.7cm;3cm +
3.5 cm35 mm <br />0.035 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
red;crimson;carmine;crimson;carmine;scarlet;red +
indehiscent +
persistent +, long +  and deciduous +
10mm;35mm +
obovoid +  and clavate +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
4 cm40 mm <br />0.04 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
7.5 cm75 mm <br />0.075 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Chihuahuan desert scrub, desert grasslands, lower edge of oak zone +
1.1 cm11 mm <br />0.011 m <br /> (1.9 cm19 mm <br />0.019 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 +
brownish +, greenish +, pink +  and tan +
deciduous +  and persistent +
Flowering Mar–May +  and fruiting Nov–May. +
concave +  and cavernous +
not mucilaginous +
ridgelike +  and nipple--shaped +
Cact. Succ. J. (Los Angeles) +
bristly +  and woolly +
3;2;2;30 +
triangular +
arillate +  and strophiolate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
obovoid;pyriform;obovoid;pyriform;lenticular-reniform;comma--shaped;spheric +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
Illustrated +
1.5 cm15 mm <br />0.015 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
white +  and white-and-brown or brown +
straight +  and curved +
9mm +  and 15mm +
deciduous +  and persistent +
10 (?) +  and 14 (?) +
annulate-ridged +, hairlike +, daggerlike +, subulate +  and acicular +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
hard +  and rigid +
decurrent +
unsegmented +
12 cm120 mm <br />0.12 m <br /> (15 cm150 mm <br />0.15 m <br />) +
purplish +, green +  and gray-green +
5cm;11cm +
protruding +
flat-topped +  and top--shaped +
5cm;12cm +
red +  and green +
tuberculate +
Chilita +, Cochemiea +, Dolichothele +, Ebnerella +, Leptocladodia +, Neomammillaria +  and Phellosperma +
adventitious +
epipetric +  and epiphytic +
Mammillaria heyderi var. bullingtoniana +
Mammillaria heyderi +
variety +
fringed +  and entire +
flat +  and concave +
dull +  and glossy +
not confluent +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
11mm +  and 25mm +
cylindric +, conic +  and pyramidal +
4mm +  and 8mm +
straight +
sinuate +
epiphytic;epiphytic;epiphytic +
barrel-shaped +  and spheric +