Mammillaria boelderliana
First description by Wolschlager, Kakt. and Sukk. 39(4): 78 (1988)
Body: Plants solitary. Stems flattened globose, blue-green, 1 - 3 cm (0.4 - 1.2 in) high, 2.5 - 5.5 (1 - 1.2 in) in diameter.
Roots: Tuberous, long, thick.
Sap:
Tubercule arrangement:
Tubercule: Widely separated, conical.
Axil: naked.
Radial spine: None.
Central spine: 4 - 5, needle-like, yellowish brown, 4 - 7 mm (to 0.3 in) long, the lower longer, straight or slightly curving, grey-brown with darker tips.
Flower: Funnelform, witish with pinkish midveins, 18 - 20 mm (0.7 - 0.8 in) long, 20 - 24 mm (0.8 - 0.9 in) in diameter. Stigmas yellow.
Fruit: Pear shaped, red, 7 - 10 mm (0.3 - 0.4 in) long.
Seed: Dark brown or black.
Flowering period in Cultivation (Europe):
Minimum temperature: 0° C.
Habitat Substrate:
Geographic Distribution: Zacatecas, Mexico. Altitude 2.300 m.
Comments: This species has a root at least five times the height of the stem above the ground.
Bibliography: <br>John Pilbeam (1999) - Mammillaria The Cactus File Handbook - page 54.
<br>Edward F. Anderson (2001) - The Cactus Family - page 409.
Synonymes:
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Photos containing "boelderliana" in caption, comment or name.
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