A small to medium sized cycad which develops a trunk to 1 m tall and 25 cm diameter.
Mature Leaves
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.
Male Cones
30 - 80 x 8 - 10 cm, long-cylindrical, light brown.
Female Cones
30 - 50 x 20 - 30 cm, ovoid, greenish, grey, densely hairy.
Seeds
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.
Notes
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.
Cultivation
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
roots.
Propagation
From fresh seed, or from suckers which are freely produced and transplant readily.