Figure 4From: Characterization of the basal angiosperm Aristolochia fimbriata: a potential experimental system for genetic studiesDiversity of flower and growth forms in Aristolochiaceae. Herbaceous perennials with radially symmetric 3-merous flowers include A. Asarum chingchengense B. Saruma henryi C. Thottea siliquosa, a small shrub D. A. arborea (subgenus Isotrema), a tree-like shrub with flowers that mimic fungi E. A. triactina (subgenus Pararistolochia) F. A. trilobata (subgenus Aristolochia) with three lobed, evergreen leaves, grows as a vine with woody branches (liana) from which new growth emerges. G. A. passiflorafolia (subgenus Aristolochia) (photo used with permission from Changbin Chen) and H. A. fimbriata (subgenus Aristolochia).Back to article page