Emporia
authorship:
Mapes & rothwell, 2003
rank:
genus
Type species: Emporia lockardii (Mapes & Rothwell, 1984) Mapes & Rothwell, 2003
Emporia
Unranked:
Emporia
Emporia Mapes & G. W. Rothwell, gen. nov.
nomenclatorial act:
protologue/first publication
Page:
327
diagnosis:
Features of genus those of family. Endarch stele with uni-biseriate bordered pits on secondary tracheids, and rays 1–2 cells wide, resin rodlets in ground tissues. Leaves amphistomatic; adaxial surface with two long stomatal bands each 4–8 stomatal complexes wide with some shared subsidiary cells, diminishing to single rows or scattered stomata near tip of small leaves; abaxial surface with two shorter basal bands or scattered basal stomata. Stomata monocyclic with unipapillate subsidiary cells.
systematic position:
primitive Palaeozoic conifers, Emporiaceae
typeseries:
Type: E. lockardii
Validation of the names Emporiaceae, Emporia, and Emporia lockardii
, “Validation of the names Emporiaceae, Emporia, and Emporia lockardii”, Taxon, vol. 52, pp. 327–328, 2003.
