Nelsonioideae
| Nelsonioideae | |
|---|---|
| Nelsonia canescens | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Asterids | 
| Order: | Lamiales | 
| Family: | Acanthaceae | 
| Subfamily: | Nelsonioideae | 
| Type genus | |
| Nelsonia | |
Nelsonioideae is a subfamily of plants in the family Acanthaceae, with a pantropical distribution.