It is found in Costa Rica, El Salvador, Guatemala, Honduras, Mexico and Panamá.

The corolla is red, orange or yellow, in the form of a long tube, which is broader in the centre.

[2] It was previously included in the genus Kohleria, but with a different chromosomal number 2n=11, the ring-shaped nectary and without rhizomes.

[3] The genus name of Moussonia is in honour of Albert Mousson (1805–1890), a physicist and a malacologist from Switzerland..[4] It was first described and published in Flora Vol.31 on page 248 in 1848.

[1] Plants of the World Online (Kew) accepts 24 species;[1] Moussonia elegans Decne.