Table 1 . Comparison among Euanthus, angiosperms and some gymnosperms.
Micropylar tube | Interseminal scales | Distal–basal differentiation of subtending foliar parts | Differentiation among subtending foliar parts | Hairy projection | Pentagonal receptacle | Ovule enclosed | Tetrasporangiate dithecate anther | |
---|---|---|---|---|---|---|---|---|
Euanthus | – | – | + | + | + | + | + | + |
Angiosperms | – | – | +/– | +/– | + | +/– | + | + |
Bennettitales | + | + | – | – | – | – | – | – |
Gnetales | + | – | – | – | – | – | – | – |
Coniferales | – | – | – | N/A | N/A | – | – | – |