FIGURE. Aristolochia rethyae—A. Flower in pre-anthesis; B. Frontal view of flower; C. Lateral view of flower; D. Longitudinal section of utricle showing the gynostemium; E. Tip of the gynostemium; F. Stamens on gynostemium; G. Cross section of gynostemium showing the stamen arrangement; H. Cross section of ovary; I. Hair on capsule. A–C photographed by Soyala Kashung; D–I photographed by Rimi Barman. in Aristolochia rethyae, a new species from Arunachal Pradesh, north-east India

FIGURE. Aristolochia rethyae—A. Flower in pre-anthesis; B. Frontal view of flower; C. Lateral view of flower; D. Longitudinal section of utricle showing the gynostemium; E. Tip of the gynostemium; F. Stamens on gynostemium; G. Cross section of gynostemium showing the stamen arrangement; H. Cross section of ovary; I. Hair on capsule. A–C photographed by Soyala Kashung; D–I photographed by Rimi Barman.