Gentianales

North America Show this continent only
7 Asclepias syriaca Common milkweed
Asclepias syriaca
8 Cynanchum rossicum Pale swallowwort
Cynanchum rossicum
South America Show this continent only
7 Augusta longifolia
Augusta longifolia
2 Mandevilla illustris
Mandevilla illustris
6 Oxypetalum erectum
Oxypetalum erectum
2 Palicourea coriacea
Palicourea coriacea
11 Palicourea rigida
Palicourea rigida