Children (13 direct children, 18 direct and indirect children):
Polygonella basiramia
Florida jointweed
Polygonella macrophylla
Largeleaf jointweed
Polygonella myriophylla
Small's jointweed
Polygonella articulata
Coastal jointweed
Polygonella fimbriata
(tree size 1)
Sandhill jointweed
Polygonella gracilis
Tall jointweed
Polygonella polygama
(tree size 3)
October flower
Polygonella americana
Southern jointweed
Polygonella robusta
Largeflower jointweed
Polygonella ciliata
(tree size 1)
Hairy jointweed
Polygonella parksii
Parks' jointweed
Polygonella brachystachya
Polygonella croomii