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Mammillaria elongata ssp echinaria

First description by De Candolle, Mem. Mus. Hist. Nat. Paris 17:110 (1828)

Body: Thicker stems as the type, 3 cm or so in diameter.

Roots:

Sap:

Tubercule arrangement:

Tubercule:

Axil:

Radial spine: Much more prominent, porrect radial spines as the type.

Central spine: Presence of 2 or 3 central spines, yellow or reddish brown.

Flower:

Fruit:

Seed:

Flowering period in Cultivation (Europe):

Minimum temperature:

Habitat Substrate: Occuring more in open ground and on slopes.

Geographic Distribution: Queretaro and Hidalgo, Mexico. Altitude about 1.400 m.

Comments: In all other respects this subspecies is similar to the type.

Bibliography:
John Pilbeam (1999) - Mammillaria The Cactus File Handbook - page 95.
Edward F. Anderson (2001) - The Cactus Family - page 416.

Synonymes:
M. echinaria
M. elongata var echinaria