Zea perennis

About

Zea perennis, the perennial teosinte, is a true grass species in the genus Zea and a teosinte. It is one of the two perennial species in the genus Zea. The other perennial, Z. diploperennis, is the sister taxon of Z. perennis. Those two species also form a clade with Z. luxurians. Together, the three species make up the Luxuriantes section in the genus Zea. Z. perennis is the sole tetraploid in the genus and fertile hybrids...