First description by Lindsay, Cact. Succ. J. (US) 39(1): 31 (1967)
Body: Plants solitary or clustering, sometimes branching. Stems cylindrical, gray-green, rounded apically, to 50 cm (20 in)high, 6 - 10 cm (2.4 - 3.9 in) in diameter.
Sap: Without latex.
Tubercule: Firm, pyramidal.
Axil: With wool and 5 - 8 white bristles to 8 mm (0.3 in) long as the tubercules.
Radial spine: 15 - 22, needle-like, straight, brownish to golden white, to 10 mm (0.4 in) long.
Central spine: One, brown with darker tip, straight or hooked, 4 - 15 mm (to 0.6 in) long.
Flower: Funnelform or bell shaped, white, to 20 mm (0.8 in) long and 25 mm (1 in) in diameter. Stigma-lobes light green.
Fruit: Red, 15 - 20 mm long.
Seed: Black.
Geographic Distribution: San Esteban and San Lorenzo Islands, Baja California, Mexico.
 
Mammillaria estebanensis
 
Mammillaria estebanensis
 
Mammillaria estebanensis
 
Mammillaria estebanensis
 
Mammillaria estebanensis Semi Mesa Garden - MG 640.5
L'ultima modifica di maurillio il Sab 21 Feb 2015, 18:10, modificato 6 volte |