Habit: tree, semievergreen

Sexuality: monoecious

Important diagnostics: with trimorphic leaves

Leaves: Position: spirally arranged, 2-ranked, radially spreading

Leaves: Shape: linear or lanceolate, scale-like, flattened

Pollen Cone: Position: terminal, solitary

Pollen Cone: Shape: ellipsoid

Microsporophylls: spirally arranged

Seed Cones: Position: terminal

Seed Cones: Shape: pyriform

Seed Cones: Bract scales: triangular

Seed scales: connate with bracts

Seeds: Shape: ellipsoid

Cotyledons number: 4, 5

Germination: epigeal