| lobe | erect perennial aquatic herb of Europe and North America having submerged spongy leaves and pendulous racemes of blue flowers above the water |
|---|---|
| lobe | not recognized in all classification systems |
| lobe | North American wild lobelia having small blue flowers and inflated capsules formerly used as an antispasmodic |
| lobe | tall erect and very leafy perennial herb of eastern North America having dense spikes of blue flowers |
| lobe | not recognized in all classification systems |
| lobe | belonging to the family Lobeliaceae |