Mammillaria brandegeei (Coulter) Brandegee. Cactus brandegeei. Coulter Contr. U.S. Nat. Herb. 3 : 96, 1894.
Mammillaria brandegeei. K. Brandegee, Erythea, 5 : 116, 1897.
Neomammillaria brandegeei. Britton and Rose, The Cactaceae, 4 : 73, 1923.
Body:- Simple and cespitose, globose to cylindric, with slightly sunken apex, to 90 mm. wide.
Tubercles arranged in 13 and 21 spirals, firm in texture, dark green, sharply quadrangular at the base but more conic above, with milky sap, 6-10 mm. long.
Areoles round, large with grayish white woolly felt, soon becoming naked.
Axils with dense white wool in youth and occasionally a single white bristle, but this is not typical.
Spines:- Centrals 2-3-4, to 20 mm. long, stout acicular, straight to slightly curved, stiff, smooth reddish-brown at the base and darker above,
divergent porrect. Radial spines 8-10 (9-16 according to Brandegee), 7-10 mm. long, slender acicular, stiff, straight, smooth, whitish with
dark to yellowish-brown tips, slightly ascending.
Flowers:- Small, to 8 mm. long. Outer perianth segments bright brown mid-stripe, darker at tip, bright green margins, ovate, tip acute, margins ciliate, Inner perianth segments greenish yellow, reddish mid-line, lanceolate, tip acute, margins entire. Filaments white. Anthers yellow. Style green. Stigma lobes 4-7, green.
Fruit:- Pink to bright, red,lighter at the base, clavate, 15 x 7 mm., with dried perianth not persisting, also with a few scales.
Seeds:- Dull brown, curved pyriform, 1.0 x 0.8 mm.
Type Locality:- San Jorge and its ranges from Hamilton's Ranch to Calmalli.
From "The Journal of the Mammillaria Society" Vol.V n.4 - August 1965
Distribution:- Baja California, Mexico.
Mammillaria brandegeei SB 1903
SB 1903 - El Arco - Baja California - Mexico