Children (7 direct children, 7 direct and indirect children):
Ruellia humilis var. longiflora
Ruellia humilis var. calvescens
Ruellia humilis var. depauperata
Ruellia humilis var. expansa
Ruellia humilis var. frondosa
Ruellia humilis var. typica
Ruellia humilis f. grisea