Definition of psilophyte in English:

psilophyte

noun ˈsʌɪləfʌɪt

1Ecology. A plant that is adapted for a dry savannah environment; the growth form characteristic of such a plant.
2Botany and Palaeontology. Any of various extinct primitive vascular plants of the Upper Silurian and Devonian periods, lacking true roots and leaves but having a creeping rhizome and a cylindrical branching stem with a central vascular strand, sometimes bearing scales or leaf-like branchlets. Also: a member of the extant order Psilotales, comprising two genera (Psilotum and Tmesipteris) of small tropical and subtropical plants that superficially resemble these fossils.

Origin

Early 20th century. From psilo- + -phyte.

Definition of psilophyte in US English:

psilophyte

nounˈsʌɪləfʌɪt

1Ecology. A plant that is adapted for a dry savannah environment; the growth form characteristic of such a plant.
2Botany and Palaeontology. Any of various extinct primitive vascular plants of the Upper Silurian and Devonian periods, lacking true roots and leaves but having a creeping rhizome and a cylindrical branching stem with a central vascular strand, sometimes bearing scales or leaf-like branchlets. Also: a member of the extant order Psilotales, comprising two genera (Psilotum and Tmesipteris) of small tropical and subtropical plants that superficially resemble these fossils.

Origin

Early 20th century. From psilo- + -phyte.

单词	psilophyte
释义	Definition of psilophyte in English: psilophyte noun ˈsʌɪləfʌɪt 1Ecology. A plant that is adapted for a dry savannah environment; the growth form characteristic of such a plant. 2Botany and Palaeontology. Any of various extinct primitive vascular plants of the Upper Silurian and Devonian periods, lacking true roots and leaves but having a creeping rhizome and a cylindrical branching stem with a central vascular strand, sometimes bearing scales or leaf-like branchlets. Also: a member of the extant order Psilotales, comprising two genera (Psilotum and Tmesipteris) of small tropical and subtropical plants that superficially resemble these fossils. Origin Early 20th century. From psilo- + -phyte. Definition of psilophyte in US English: psilophyte nounˈsʌɪləfʌɪt 1Ecology. A plant that is adapted for a dry savannah environment; the growth form characteristic of such a plant. 2Botany and Palaeontology. Any of various extinct primitive vascular plants of the Upper Silurian and Devonian periods, lacking true roots and leaves but having a creeping rhizome and a cylindrical branching stem with a central vascular strand, sometimes bearing scales or leaf-like branchlets. Also: a member of the extant order Psilotales, comprising two genera (Psilotum and Tmesipteris) of small tropical and subtropical plants that superficially resemble these fossils. Origin Early 20th century. From psilo- + -phyte.
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