![Lobelia](http://allplantsrus.ca/cdn/shop/products/Lobelia_{width}x.jpg?v=1616087043)
The genus Lobelia comprises a substantial number of large and small annual, perennial and shrubby species, hardy and tender, from a variety of habitats, in a range of colours. Many species appear totally dissimilar from each other. However, all have simple, alternate leaves and two-lipped tubular flowers, each with five lobes.