family taxaceae การใช้

It is one of around 30 conifer species in seven genera in the family Taxaceae, which is placed in the order Pinales.
""'Torreya " "'is a genus of conifers comprising six or seven species placed the family Taxaceae, though sometimes formerly placed in Cephalotaxaceae.
""'Torreya clarnensis " "'is an extinct species of conifer in the yew family Taxaceae solely known from the middle Eocene sediments exposed in north central Oregon.
Pith composed of parenchyma cells and sclerenchyma cells, primary xylem is endarch, secondary xylem with points with halos that dominate, thick radial walls of tracheids, absence of resin canals and axial parenchyma, indicate its relationship to the family Taxaceae.
""'Diploporus " "'is an extinct genus of conifer in the yew family Taxaceae, containing the single species " "'Diploporus torreyoides " "'known from the middle Eocene of north central Oregon The species was first described from a series of isolated fossil seeds in chert.