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Definition of Cycadales
1. Noun. Primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms.
Generic synonyms: Plant Order
Group relationships: Class Cycadopsida, Cycadophyta, Cycadophytina, Cycadopsida, Subdivision Cycadophyta, Subdivision Cycadophytina
Member holonyms: Cycad Family, Cycadaceae, Family Cycadaceae, Family Zamiaceae, Zamia Family, Zamiaceae
Lexicographical Neighbors of Cycadales
Literary usage of Cycadales
Below you will find example usage of this term as found in modern and/or classical literature:
1. Morphology of Spermatophytes by John Merle Coulter, Charles Joseph Chamberlain (1901)
"cycadales During the Mesozoic, along with the ... the cycadales undoubtedly
existed, but the evidence is scanty. The reputation of the Mesozoic as " the age ..."
2. Morphology of Spermatophytes by John Merle Coulter, Charles Joseph Chamberlain (1901)
"cycadales At present the Cycads are strictly tropical forms, the nine genera,
containing something less than one hundred species, being distributed about ..."
3. A Textbook of Botany for Colleges and Universities by John Merle Coulter, Charles Reid Barnes, Henry Chandler Cowles (1910)
"Among the cycadales, where the integument and nucellus are free only above, the
outer set of vascular strands traverses the outer fleshy layer of the testa ..."
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