A New Voltzialean Cone Bearing Seeds with Embryos from the Permian of Texas

• 1 July 1973
• journal article
• Published by Wiley in American Journal of Botany
• Vol. 60  (6) , 561-569
• https://doi.org/10.2307/2441380

Abstract

Keywords

• SEED
• TEXAS
• CONE
• ADAXIAL
• FLATTENED
• SIDE
• STERILE
• BRACTS
• SUBTENDED
• OVATE