Definition of Sphenopsida in English:

Sphenopsida

plural nounsfɛˈnɒpsɪdəsfiˈnäpsidə

Botany

A class of pteridophyte plants that comprises the horsetails and their extinct relatives.
〔植〕楔叶纲植物
Example sentencesExamples
- Equisetum is an ancient genus and comprises the sole surviving representatives of the class Sphenopsida.
- In order to build up data infrastructure on the horology of Croatian vascular flora, the present data on the distribution of taxa from the class Sphenopsida were collected from literature and herbarium sources.
- These horsetails (Sphenopsida) were arborescent (tree-like) and grew to a height of up to 10 meters.
- By the early Mesozoic, these had apparently become extinct, with the rather scanty fossil record of Sphenopsida consisting by then mainly of casts and impressions of stems resembling those of modern Equisetum.
- In the past, this group was thought to be ancestral to the Sphenopsida based on their overall structure and organization, but more recent studies show their internal anatomy was more like that of the ferns.

Derivatives

sphenopsid

noun & adjective

Botany

The remaining morphospecies are organs of cycads, ginkgophytes, lycopods, sphenopsids, and bryophytes.
Example sentencesExamples
- Ferns and sphenopsids are rare, but often well preserved.
- The genus Hyenia was a rhizomatous plant, much like modern ferns and sphenopsids.
- You have already studied two such lineages, the ferns and sphenopsids.
- Both ferns and sphenopsids have members in the living flora, although their modern diversities are vastly different.

Origin

Modern Latin (plural), from Greek sphēn 'wedge' + opsis 'appearance'.

Definition of Sphenopsida in US English:

Sphenopsida

plural nounsfiˈnäpsidə

Botany

A class of pteridophyte plants that comprises the horsetails and their extinct relatives.
〔植〕楔叶纲植物
Example sentencesExamples
- Equisetum is an ancient genus and comprises the sole surviving representatives of the class Sphenopsida.
- In order to build up data infrastructure on the horology of Croatian vascular flora, the present data on the distribution of taxa from the class Sphenopsida were collected from literature and herbarium sources.
- By the early Mesozoic, these had apparently become extinct, with the rather scanty fossil record of Sphenopsida consisting by then mainly of casts and impressions of stems resembling those of modern Equisetum.
- In the past, this group was thought to be ancestral to the Sphenopsida based on their overall structure and organization, but more recent studies show their internal anatomy was more like that of the ferns.
- These horsetails (Sphenopsida) were arborescent (tree-like) and grew to a height of up to 10 meters.

Origin

Modern Latin (plural), from Greek sphēn ‘wedge’ + opsis ‘appearance’.

单词	Sphenopsida
释义	Definition of Sphenopsida in English: Sphenopsida plural nounsfɛˈnɒpsɪdəsfiˈnäpsidə Botany A class of pteridophyte plants that comprises the horsetails and their extinct relatives. 〔植〕楔叶纲植物 Example sentencesExamples Equisetum is an ancient genus and comprises the sole surviving representatives of the class Sphenopsida. In order to build up data infrastructure on the horology of Croatian vascular flora, the present data on the distribution of taxa from the class Sphenopsida were collected from literature and herbarium sources. These horsetails (Sphenopsida) were arborescent (tree-like) and grew to a height of up to 10 meters. By the early Mesozoic, these had apparently become extinct, with the rather scanty fossil record of Sphenopsida consisting by then mainly of casts and impressions of stems resembling those of modern Equisetum. In the past, this group was thought to be ancestral to the Sphenopsida based on their overall structure and organization, but more recent studies show their internal anatomy was more like that of the ferns. Derivatives sphenopsid noun & adjective Botany The remaining morphospecies are organs of cycads, ginkgophytes, lycopods, sphenopsids, and bryophytes. Example sentencesExamples Ferns and sphenopsids are rare, but often well preserved. The genus Hyenia was a rhizomatous plant, much like modern ferns and sphenopsids. You have already studied two such lineages, the ferns and sphenopsids. Both ferns and sphenopsids have members in the living flora, although their modern diversities are vastly different. Origin Modern Latin (plural), from Greek sphēn 'wedge' + opsis 'appearance'. Definition of Sphenopsida in US English: Sphenopsida plural nounsfiˈnäpsidə Botany A class of pteridophyte plants that comprises the horsetails and their extinct relatives. 〔植〕楔叶纲植物 Example sentencesExamples Equisetum is an ancient genus and comprises the sole surviving representatives of the class Sphenopsida. In order to build up data infrastructure on the horology of Croatian vascular flora, the present data on the distribution of taxa from the class Sphenopsida were collected from literature and herbarium sources. By the early Mesozoic, these had apparently become extinct, with the rather scanty fossil record of Sphenopsida consisting by then mainly of casts and impressions of stems resembling those of modern Equisetum. In the past, this group was thought to be ancestral to the Sphenopsida based on their overall structure and organization, but more recent studies show their internal anatomy was more like that of the ferns. These horsetails (Sphenopsida) were arborescent (tree-like) and grew to a height of up to 10 meters. Origin Modern Latin (plural), from Greek sphēn ‘wedge’ + opsis ‘appearance’.
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