Paolo De Luca & Sergio Sabato,
Oaxaca + Puebla: Mexico
Mix - Grit
Medium - Maximum
Might be: Dioon
edule var. califanoi, Nance
This member of the
was given this name by Paolo De Luca and Sergio Sabato in 1979. It is found in
the Oaxaca and Puebla states of Mexico, growing in a well drained soil with
some water and some to lots of sun in between 1800 and 2400 metres
height. The stem can grow to 20 or even 30 centimetres in diameter, the entire plant
to three metres in height. The cones are greyish brown.
The genera name from the Greek
dis 'twice' and oon 'egg'; refers to the paired seeds.
The species name after the botanist Laura M. Califano.