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 Mammillaria cerralboa

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maurillio




Number of posts : 2988
Age : 70
Location : Modena - Italia
Registration date : 2009-12-20

Mammillaria cerralboa Empty
PostSubject: Mammillaria cerralboa   Mammillaria cerralboa Icon_minitimeMon Nov 01, 2010 5:34 pm

M. cerralboa (Britton & Rose) Orcutt, Cactography 7. 1926
Neomammlliaria cerralboa (Britton & Rose, The Cactaceae 4: 116, fig. 121a, 1923.
Stem solitary, cylindric; tubercles not milky. Spines all alike, about 11, usually one more central, the longer ones nearly 2cm. long. Flowers small, 1cm. long or less. Fruit and seed not described.
Mexico; Baja California, Cerralbo Island (isla Ceralvo), 6-7 June 1921, I.M. Johnston 4O38 (US, type), 4053 (US), (two with hooked spines); Cerralbo Island, 1911, J.N. Rose 16877 (US), (hooked spines).
It is to be hoped that our Californian members may have the opportunity to re-collect this species, which was listed among the "little known" species by Craig. Like other species of Baja California with watery sap and straight spines (M. albicans, M. neopalmeri) its affinities are at present obscure, unless it could be one of the Ancistracanthae in which both straight and hooked spine forms occur.
M. cerralboa does not seem to be related to M. evermanniana, of which the type locality is also Cerralbo Island.
The Journal of the Mammillaria Society  Vol.8 n.5 - October 1968





Mammillaria cerralboa
From "Ento" Ennio Toso collection - Savona

Mammillaria cerralboa Cerral13



Mammillaria cerralboa

Mammillaria cerralboa Cerral10



Mammillaria cerralboa
From Antonio Gandolfo collection - Vicenza

Mammillaria cerralboa Cerral11


Last edited by maurillio on Sun Feb 11, 2024 2:23 pm; edited 4 times in total
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maurillio




Number of posts : 2988
Age : 70
Location : Modena - Italia
Registration date : 2009-12-20

Mammillaria cerralboa Empty
PostSubject: Re: Mammillaria cerralboa   Mammillaria cerralboa Icon_minitimeMon Dec 04, 2017 7:52 am

Mammillaria cerralboa LAU 39
LAU 39 - Isla Cerralvo, 10/200m - Baja California Sur - Mexico

Mammillaria cerralboa 7131-210


Mammillaria cerralboa 7131-210


Mammillaria cerralboa 12645-10


Mammillaria cerralboa 3394-210
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