Walchiaceae (Goppert) Schimper novo emend.
nomenclatorial act:
emend.
Page:
245
diagnosis:
Presumed main axis leafy at younger stage. Lateral shoot syst ems pinnat ely branched, consisting of a penultimate branch with two lateral series of parallel ultimate branches situated in one plane. Tripinnate shoot systems may also occur. Leaves bifacial, spirally arranged, sometimes heterophyllous.
typeseries:
Type-genus: Walchia Sternberg emend. Clement-Westerhof, 1984