Definition of Lycopsida in English:
Lycopsida
plural nounlʌɪˈkɒpsɪdəlīˈkäpsədə
Botany A class of pteridophyte plants that comprises the clubmosses and their extinct relatives.
Example sentencesExamples
- For example each of the major taxa of vascular plants may be considered as either Classes (e.g. Lycopsida) or the next higher rank, a Division.
- Members of the Lycopsida have true stems, leaves and (usually) roots.
- Asteroxylon could be seen as an intermediate in the evolution of true leaves in the Lycopsida.
- The clade Lycopsida, of which the living lycopsids are members, also diverged in the Early Devonian.
Derivatives
noun & adjective
Botany However, unlike lycopsids, Pennsylvanian sphenopsids were not coal-swamp specialists.
Example sentencesExamples
- Experiments suggest that arborescent lycopsid propagules had a rather limited dispersal range.
- Herbaceous ‘ferns’ and lycopsids became rare to absent, although lycopsid trees remained.
- Although a relatively inconspicuous component of the modern flora, the lycopsids were arborescent ecosystem dominants in the late Paleozoic.
- Arborescent lycopsids began life as an embryo germinating from an indehiscent megaspore.
Origin
Modern Latin (plural), from Greek lukos 'wolf' + opsis 'appearance'.