| 词条 | Mammilloydia |
| 释义 |
|name = Snowball cactus |image = Mammilloydia candida - Snowball Cactus.jpg |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Core eudicots |ordo = Caryophyllales |familia = Cactaceae |subfamilia = Cactoideae |tribus = Cacteae |genus = Mammilloydia |genus_authority = Buxb. |species = M. candida |binomial = Mammilloydia candida |binomial_authority = (Scheidw.) Buxb. |synonyms = Chilita candida (Scheidw.) Orcutt Chilita estanzuelensis (H.Moeller ex A.Berger) Buxb. Mammillaria candida Scheidw. Mammillaria estanzuelensis H.Moeller ex A.Berger Mammillaria ortizrubiana (Bravo) Werderm. ex Backeb. Mammilloydia candida subsp. ortizrubiana (Bravo) Krainz Mammilloydia ortizrubiana (Bravo) Buxb. Neomammillaria ortizrubiana Bravo }}Mammilloydia is a genus of cactus containing the sole species Mammilloydia candida, the snowball cactus.[1] DescriptionMammilloydia candida is green, globe-shaped, but with age it becomes almost cylindrical. It can reach a diameter of about {{convert|15|cm}} and a height of about {{convert|30|cm}}. As is usual in the genus Mammillaria, this plant has no ribs. The flowers are pink or white. The plant is covered by fine white hair. The spines are short, very numerous, usually snow white or brown. DistributionThis species originates from Mexico (Coahuila, Nuevo León, San Luis Potosí and Tamaulipas). HabitatThe natural habitat of Mammilloydia candida is the desert. It grows in the thickets of xerophytic shrubs on calcareous soils, at an altitude of {{convert|500|-|2500|m}} above sea level. References1. ^{{Citation |last=Anderson |first=Edward F. |year=2001 |title=The Cactus Family |publication-place=Pentland, Oregon |publisher=Timber Press |isbn=978-0-88192-498-5 }}, p. 450
3 : Cactoideae genera|Monotypic Cactaceae genera|Cacti of Mexico |
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