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Calibanus glassianus

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Photo from Cactus Art.

The caudex can be rather roughed, and will be party exposed in the wild. Photo from Cactus Art.

Author:  L.H. Sandoval & S. Zamudio, 2003
Origin:  North-Eastern Mexico
Soil:  Mix - Grit
Water:  Medium
Sun:  Medium - Maximum
Thickness:  60 Centimetres
Height:  70 Centimetres
Flower:  Yellowish
Propagate:  Seeds
Names:  -
Synonyms:  Might be: Beaucarnea glassiana, Vanessa Rojas-Piña, 2014

This member of the Nolinaceae family was given this name by Luis Hernández Sandoval and Sergio Zamudioin 2003. In 2014, Vanessa Rojas-Piña changed it into the Beaucarnea genera.
 It is found between the tropical deciduous forest and the subontane scrub in the Sierra Madre Oriental near Xichú, Guanajuato, the north-eastern Mexico, growing in a well drained soil with some water and some to lots of sun. The natural exposed caudex can grow to 60 centimetres or more.

Its former named after Shakespeare's monster Caliban and the specific epithet honours: Charles Glass.

DNA study by Vanessa Rojas-Piña, Mark E. Olson, Leonardo O. Alvarado-Cárdenas & Luis E. Eguiarte show Calibanus is nested within the Beaucarnea.

*)Accordantly to the latest taxonomic system; APG IV 2016, Nolinaceae is now part of the Asparagaceae.