nomenclatorial act:
protologue/first publication
Page:
327
diagnosis:
Small eustelic coniferous trees with orthotropic stem, plagiotropic branches, and dense wood. Leaves helically arranged, simple on ultimate branches, forked on more proximal branches. Fertile organs consisting of simple pollen cones and compound ovulate cones. Pollen cone axis bearing helically arranged amphistomatic sporophylls with adaxial pollen sacs bearing eusaccate prepollen. Ovulate cones with helically arranged bilateral dwarf shoots bearing sterile scales attached on all sides of dwarf shoot axis, recurved sporophylls interspersed with sterile scales on side of dwarf shoot facing cone axis.
typeseries:
Type: Emporia
Classification:
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