Metzgeriales


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Metzgeriales

[‚mets·gə·rē′ā·lēz]
(botany)
An order of liverworts in the subclass Jungermannidae, class Hepaticopsida, distinguished by archegonia produced behind a growing apex, a flat elongated gametophyte with no tissue differentiation or surface pores and, less commonly, a stem with two rows of leaves.
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References in periodicals archive ?
While the sister clade is sister includes the "true" leafy liverworts and small group of simple thalloids belonging to the Metzgeriales.
Although Farmer did not report premeiotic bands, perhaps due to limits of resolution, he did however comment on the lack of observable asters that are so prevalent in the members of the Metzgeriales.