Sanmiguelia

Sanmiguelia is a  genus of fossil plants. It may be among the earliest angiosperms. It was identified by imprints of  palm-shaped leaves originating from the Triassic   geological period (251 to 199.6 million years ago). They were found in rocks  from Colorado . 

The leaves were ellipsoidal and wrinkled, up to 40 cm long and 25 cm wide, and were at the apex of a tapered or spindle-shaped stem.  William L. Hosch ed. (2020):  Sanmiguelia. Encyclopaedia Britanicanica.  London. 
According to these data, it belonged to a possible  family flowering plants  Sanmigueliaceae , unknown  order, in class Magnoliopsida,  division Tracheophyta.

 Related pages 
 Flowering plant

 References 

Category:Flowering plants
Category:Fossil plants
Category:Extinct plants