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Lobelia chinensis


Flowering plant comprising 360400 species, with a subcosmopolitan distribution primarily in tropical to warm temperate regions of the world, a few species extending into cooler temperate regions.[1] English names include Lobelia, Asthma Weed, Indian Tobacco, Pukeweed, and Vomitwort.

Some botanists place the genus and its relatives in the separate family Lobeliaceae, others as a subfamily Lobelioideae within the Campanulaceae. The Angiosperm Phylogeny Group did not make a firm decision in this, listing the genus under both families.

Lobelia is probably the base form from which many other lobelioid genera are derived; it is therefore highly paraphyletic and not a good genus. For example, the Hawaiian species are part of a group including other genera that appear very different (see Hawaiian lobelioids). However, the group has not yet been studied adequately to rearrange the classification.[citation needed]

Lobelia species are used as food plants by the larvae of some Lepidoptera species including Setaceous Hebrew Character.

The genus is named after the Belgian botanist Matthias de Lobel (1538-1616)

Several species are cultivated as ornamental plants in gardens. These include Lobelia cardinalis (Cardinal Flower or Indian Pink), Lobelia siphilitica (Blue Lobelia), Lobelia fulgens and Lobelia erinus, as well as some hybrids.

Lobelia erinus, a South African annual plant is often grown in window boxes and hanging baskets. Many varieties have been cultivated with a wide variety of colours.

In the Victorian language of flowers, the lobelia symbolizes malevolence and ill will.