A small to medium sized cycad which develops a trunk to 1 m tall and 25 cm diameter.
Numerous, obliquely erect, 1 - 2 m long, stiff,
rigid, dark green, broadest near the middle and tapered to each end,
flat in cross-section, straight in profile.
30 - 80 x 8 - 10 cm, long-cylindrical, light brown.
30 - 50 x 20 - 30 cm, ovoid, greenish, grey, densely hairy.
3.5 - 5 x 3 - 4 cm, ovoid, the sarcotesta roughened, cream or white.
Distribution and Habitat
Occurs in Honduras and has also
recently been collected in north central Nicaragua. In Honduras it
grows in a dry rocky canyon at an altitude of about 750 m.
Seedlings of this species are similar to those of D.
spinulosum but have a prickly petiole. The seeds have an unusual
tail-like appendix on the chalazal end.
Suited to tropical, subtropical and perhaps
temperate regions. This species has been reported as surviving
temperatures down to - 5 C. Dioon mejiae is one of the more commonly
grown members of this genus. It is a very hardy species which will
withstand considerable exposure to sun as well as some dryness of the
From fresh seed, or from suckers which are freely produced and transplant readily.