nomenclatorial act:
subsequent publication
Page:
112
diagnosis:
Cordaitanthalean plants with simple strobili into compount polysperms; ovules borne erect, with integument partly free from nucellus. Male: Male strobili similar to female strobili; pollen quasi-monosaccate. Foliage: Leaves hypostomatic; stomata in distinct furrows between veins. Stem: Trees or shrubs, with eustelic stems.
systematic position:
Pinopsida, Cordaitanthales
Classification:
Add new comment