La Frailea castanea é uno dei cactus più affascinanti e particolari. Il nome latino “Castanea” significa “castagna” e sta ad indicare il colore rosso-brunastro scuro che assume il corpo della pianta in pieno sole.
Synonyms: Frailea asterioides Werdermann 1937
Etymology: The genus name "Frailea" remembers the Spanish "Manuel Fraile", born in 1850 who was responsible for the cactus collection of the Department of Agriculture of the United States at the end of the XIX century.
Frailea castanea is one the of most fascinating cacti.
Description: This is a very singular miniature plant, and one the of most fascinating cacti.
A dried fruit with the very large seeds (3 mm wide)
An unusual developed flower
Cultivation: Grow them in rich, porous soil and let them dry out between waterings. These plants need a minimum temperature of 5-10° C (but occasionally temperatures of a few degrees below 0° are not dangerous)
Notes: This plant is short living (It does not live long - about 10-15 years).
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