Lobelia

Lobelia is a genus of flowering plants that includes about 415 species. These species are found in tropical and warm temperate climates around the world. The genus is named after the Belgian botanist Matthias de Lobel (1538–1616).

Description

Lobelia species are annuals, perennials, or shrubs. They have simple, alternate leaves and two-lipped tubular flowers. The upper lip of the flower is typically two-lobed, while the lower lip is three-lobed.

Taxonomy

The genus Lobelia was first described by Carl Linnaeus in 1753. It is placed in the family Campanulaceae, in the order Asterales. The genus is named in honor of the Flemish botanist Matthias de Lobel.

Distribution and habitat

Lobelia species are found in a variety of habitats, from alpine regions to tropical rainforests. They are native to nearly all continents, with the highest diversity in tropical Africa and the Americas.

Uses

Some species of Lobelia are cultivated as ornamental plants in gardens. Others have been used in traditional medicine. For example, Lobelia inflata, also known as Indian tobacco, has been used in smoking cessation programs.

Toxicity

Many species of Lobelia contain alkaloids that can be toxic if ingested in large amounts. Symptoms of Lobelia poisoning can include nausea, vomiting, diarrhea, tremors, and convulsions.

See also

• List of Lobelia species
• Campanulaceae
• Matthias de Lobel

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  Lobelia
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  Lobelia erinus in an alpine border
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  Lobelia boninensis
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  Lobelane
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  Isolobelanine
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  Lobelia sessilifolia
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  Mt. Kenya Lobelia