3. The microsporangia cover the abaxial face of the sporophylls in Ceratozamia mexicana, and are grouped upon each flank in Zamia. In Dioon, Encephalartos villosus, E. Caffer, and Macrozamia Miquelii ...
Male strobili rather small, catkin-like, usually in clustered groups; microsporophylls with 2–9 microsporangia; pollen grains wingless and lacking air-bladders. Cones mainly more or less globose or ...
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