nomenclatorial act:
emend.
Page:
191
diagnosis:
Characteristics of species those of genus. Primary xylem development mesarch. Cortical appendages having constricted base and inflated tip, apparently glandular. Secondary tracheids with up to 7 rows of borderred pits on radial walls.
systematic position:
Pteridospermopsida, Callistophytaceae, Callistophyton
Classification:
Add new comment