nomenclatorial act:
subsequent publication
Page:
135
diagnosis:
Plants: Dioecious or monoecious. Ovulate cones: Compound; cone bracts almost completely fused with scale, large and woody; ovuliferous scale highly reduced, flattened; ovule usually single, large, inverted, free or fused to ovuliferous scale/bract complex. Pollen cones: Very large, sporangiophores numerous; sporangia 4-20, initiated in two rows, pollen-tube fertilisation, pollen without air-bladders. Leaves: Scale-like or laminar, with parallel venation originating from basal dichotomies.
systematic position:
Pinopsida, Pinales
Classification:
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