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 Mammillaria brevicrinita ( Reppenhagen )

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ChrisDavies



Number of posts : 576
Age : 75
Location : Chinnor, UK
Registration date : 2008-07-15

PostSubject: Mammillaria brevicrinita ( Reppenhagen )   Thu Jul 17, 2008 3:27 pm

First description by Reppenhagen:
Die Gattung Mammillaria 42.1987

Body: Solitary, sometimes clumping, flattened globose to globose, olive green to dark green, to 40 mm high and 20-40 mm in diameter, body covered with wool and spines.

Roots: Strongly branching.

Sap: No watery sap or latex.

Tubercule: Somewhat cylindrical with rounded tip, soft, closely set, 7-10 mm long and 4-5 mm wide.

Axil: With a few thin hair-like bristles.

Radial spine: 18 - 27, 5-7 mm long, bristle-like, not one particularly long or short, glassy white to yellowish, straight or curved , fluffy, irregular radiating.

Central spine: 3 - 4, 6 - 10 mm long, needle-like,1 - 4 hooked, bristle-like with thicker yellowish base, yellowish to brown with darker tips.

Flower: Broad funnelform, whitish to yellowish, 17 - 20 mm long and wide.

Fruit: Ripens a few months after flowering, red, baculiform to slender club-shaped, small, 8 - 15 mm long and 2 - 3 mm wide.

Seed: Blackish brown, balloon shaped with small hilum, 1 mm long and 0,8 mm in diameter, basal, selffertile.

Habitat Substrate: Between granite rocks, under bushes of Dodonea Viscosa .

Geographic Distribution: Mexico, San Luis Potosi, near Labor Vieja. Altitude 1200 meter.

Comments: Brevicrinita only grows on the north and east side of a particular granite hill, partially in shade.

Bibliography: Die Gattung Mammillaria, Reppenhagen 42.87.


(Photo: Stekeltje)

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