Ernestiodendron
authorship:
Florin, 1934 emend. Clement-Westerhof, 1984
rank:
genus
Type species: Ernestiodendron filiciforme (Sternberg, 1825) Florin 1934
Utrechtiaceae
Unranked:
Utrechtiaceae
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
Utrechtiaceae G.W.Rothwell & G.Mapes 2003
nomenclatorial act:
subsequent publication
Page:
125
diagnosis:
Voltzialean plants with compact ovulate cones bearing bilateral bract-scale complexes; sterile bracts free, simple or forked; ovuliferous dwarf shoots with 10-30 sterile scales and one or more broad, flattened fertile scales; ovules one per fertile scale, laterally attached, inverted (adapted from Clement-Westerhof 1988; Mapes & Rothwell 1991)
systematic position:
Pinopsida, Voltziales
