Lobelia L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 102

14. Lobelia L. 1

Flowers in simple or branched racemes. Calyx 5-fid. Corollatube deeply split dorsally; limb 2-lipped, the upper 2 lobes rather smaller than the 3 lower. Stamens 5, 2 with setulose anthers. Style slender; stigma capitate, weakly 2-lobed. Capsule dehiscing by 2 apical valves.

L. erinus L. , Sp. Pl. 932 (1753), a perennial species from South Africa with ascending stems c. 15 cm and blue (rarely pink or white) flowers, is commonly cultivated for ornament and may escape.

Terrestrial; stems leafy; leaves serrate 1. urens Aquatic ; stems almost leafless; leaves entire, in a basal rosette

2. dortmanna