Aristolochia durior

Common names: Broad-leaved Birthwort

Genus: Aristolochia

Species: Aristolochia sipho

Class: Gynandria

Order: Hexandria

Authority: Aiton

Modern Genus: Aristolochia

Modern Species: Aristolochia durior

Modern Family: Aristolochiaceae

Plant Type: perennial

Season: summer

Native Region: North America

Artist: S. Edwards, Sansum