Most distinctive for its large branched embolus bearing some resemblance to that of P. furcata.
Females matched with the male have long flaps in a distinctively sculptured epigynum.
Distribution South central and southeastern Arizona. Included on this page are images and text from Maddison, W.P. 1996. Bulletin of the Museum of Comparative Zoology. David Maddison and Wayne Maddison.