Habit: tree, evergreen

Branchlets: longitudinally grooved

Branches: whorled

Important diagnostics: with monopodial trunk

Leaves: Position: spirally arranged, radially spreading

Leaves: Shape: linear or lanceolate

Pollen Cone: Position: axillary, terminal, solitary

Pollen Cone: Shape: cylindric, ovoid, ellipsoid

Seeds: Shape: ovoid, obovoid

Cotyledons number: 4, 5, 6, 7-10, >10

Germination: epigeal