 |  |  |  |
| Cephalanthus occidentalis | Crusea diversifolia | Crusea longiflora | Cuscuta leptantha |
 |  |  | |
| Galium aparine | Hedyotis nigricans | Kelloggia galioides |
| SW Plants: White flowers with 4 connate petals Go back: home- to SW plant families- to SW plants arranged by corolla characters |
| | | | |
| Cephalanthus occidentalis | Crusea diversifolia | Crusea longiflora | Cuscuta leptantha |
| | | | |
| Galium aparine | Hedyotis nigricans | Kelloggia galioides |