tree fern(redirected from Cyatheales)
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Related to Cyatheales: tree fern
Any of various large tropical ferns, especially of the families Cyatheaceae and Dicksoniaceae, having a woody trunklike stem and a terminal crown of large, pinnately divided fronds.
(Plants) any of numerous large tropical ferns, mainly of the family Cyatheaceae, having a trunklike stem bearing fronds at the top
any of various mostly tropical ferns, chiefly of the family Cyatheaceae, that attain the size of trees.
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|Noun||1.||tree fern - any of numerous usually tropical ferns having a thick woody stem or caudex and a crown of large fronds; found especially in Australia and New Zealand; chiefly of the families Cyatheaceae and Marattiaceae but some from Polypodiaceae|
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
black tree fern, Cyathea medullaris, sago fern, silver tree fern - a showy tree fern of New Zealand and Australia having a crown of pinnated fronds with whitish undersides
Dicksonia antarctica, soft tree fern - of Australia and Tasmania; often cultivated; hardy in cool climates
Cibotium barometz, Scythian lamb - Asiatic tree fern having dense matted hairs sometimes used as a styptic