Epithelantha micromeris

(Engelmann) F. A. C. Weber ex Britton & Rose

Cact. 3: 93. 1922.

Illustrated
Basionym: Mammillaria micromeris Engelmann Proc. Amer. Acad. Arts 3: 260. 1856 (as Mamillaria)
Treatment appears in FNA Volume 4. Treatment on page 240. Mentioned on page 238.

Distribution

Ariz., N.Mex., Tex., Mexico

Discussion

Varieties 2–4 (1 in the flora).

The endemic Mexican taxa have relatively large flowers like those of Epithelantha bokei.

Selected References

None.

... more about "Epithelantha micromeris"
cushionlike +
elliptic +  and circular +
deciduous +  and persistent +
hourglass--shaped +
Allan D. Zimmerman +  and Bruce D. Parfitt +
(Engelmann) F. A. C. Weber ex Britton & Rose +
hardened +
Mammillaria micromeris +
triangular +
not protruding +
proliferating +
flattened +  and cylindric +
not mucilaginous +
Ariz. +, N.Mex. +, Tex. +  and Mexico +
not separating +
inconspicuous +
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 />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
indehiscent +
persistent +, long +  and deciduous +
3mm;20mm +
cylindric +
papery +  and succulent +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 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 +
erose-denticulate +
deciduous +  and persistent +
not mucilaginous +
0.6 cm6 mm <br />0.006 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
ridgelike +  and nipple--shaped +
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 />) +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
hemispheric +
1 cm10 mm <br />0.01 m <br /> (?) +
Illustrated +
white +  and ashy gray +
straight +
deciduous +  and persistent +
not distinguishable +
20 (?) +  and 90 (?) +
roughened +  and smooth +
0.45 cm4.5 mm <br />0.0045 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
hard +  and rigid +
innocuous +
decurrent +
unsegmented +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
1cm;4cm +
flat-topped +  and spheric +
succulent +
2cm;4cm +
tuberculate +
adventitious +
tuberlike +
epipetric +  and epiphytic +
Epithelantha micromeris +
Epithelantha +
species +
convex +  and flat +
dull +  and glossy +
not confluent +
cylindric +, short +  and hemispheric +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
epiphytic;epiphytic;epiphytic +
not deep-seated +
barrel-shaped +  and spheric +