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Mammiliaria morganiana
Mammiliaria morganiana at the botanical garden of Villa Durazzo-Pallavicini, Genova Pegli
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Core eudicots
Order:	Caryophyllales
Family:	Cactaceae
Genus:	Mammillaria
Species:	M. morganiana
Binomial name
Mammillaria morganiana Tiegel

Mammillaria morganiana, common name Owl’s eyes or Owl-eye pincushion, is a cactus in the genus Mammillaria belonging to the family Cactaceae. The epithet morganiana honors the U.S. optometrists Meredith WalterMorgan (1887-1957) of Richmond.

Description

Mammillaria morganiana is a spherical or slightly cylindrical cactus, reaching a diameter of about 8 inches. This plant is pale blue-green, densely covered by woolly whitish tubercles. The 4-5 central spines are straight, about 1 foot long, while the 40 to 50 radial spines are very thin or hairlike and reach about 1.2 inches. The funnel-shaped flowers are creamy white to pink, with central red venation, about 1.5 inches long and wide. The red-brown fruits contain the seeds.

Distribution

This species is native to the Mexican state of Guanajuato.

Habitat

It can be found in semi-desert warm area at an elevation of 1,400–1,700 metres (4,600–5,600 ft) above sea level.

References

• 
  Ulises Guzmán; Salvador Arias; Patricia Dávila (2003), Catálogo de cactáceas mexicanas, Mexiko-Stadt: Universidad Nacional Autónoma de México, p. 147, ISBN 970-9000-20-9.mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em
  


• Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names. Springer, Berlin/Heidelberg 2010,
  ISBN 978-3-642-05597-3, S. 158.


• Mammillarias.net

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