Palms are so like cycads that we may regard them as the descendants of some cycad type.
The anatomy of the main stem is very suggestive of that of a cycad.
There has been found at Luccombe a very remarkable fruit of a kind of cycad.
But the most frequent and characteristic tree of the Jurassic landscape is the cycad.
cycad, sī′kad, n. an order allied to Conifer, but in appearance rather resembling ferns and palms.
As a consequence they have become so unlike that one kind of cycad is never found in both hemispheres.
Bowenia, an Australian cycad, is peculiar in having bi-pinnate fronds (fig. 5).
1845, Modern Latin, from Greek kykas, a word found in Theophrastus, but now thought to be a scribal error for koikas "palm trees," accusative plural of koix, a word from an unknown non-Greek language.
Any of various evergreen plants that live in tropical and subtropical regions, have large feathery leaves, and resemble palm trees in that most leaves cluster around the top of the stem. Cycads are gymnosperms that bear conelike reproductive structures at the top of the stem, with male and female cones borne on different plants. Cycads were common in many parts of the Earth during the Jurassic Period and survive today in about 250 species. Sago palms are cycads.