Diascia

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endangered perennial medicinal 2024 1977

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4672364-4 or Q36484

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Home Plants magnoliophyta magnoliopsida lamiales scrophulariaceae Diascia

Link & Otto

1820

twinspur

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Climate | Habitat | History | Research

Summary

Diascia is a genus of around 70 species of herbaceous annual and perennial flowering plants of the family Scrophulariaceae, native to southern Africa, including South Africa, Lesotho and neighbouring areas. The perennial species are found mainly in summer-rainfall areas such as the KwaZulu-Natal Drakensberg; about 50 species, mostly annuals, are found in the Western Cape and Namaqualand, winter rainfall areas. Their common name is twinspur, in reference to the two (usually downward-pointing) spurs to be found on the back of the flower. These help to distinguish them from the similar (and closely related) genera Alonsoa and Nemesia. The spurs contain a special oil, which is collected in the wild by bees of the genus Rediviva (e.g. R. longimanus) that appear to have coevolved with the plants, as they have unusually long forelegs for collecting the oil. In gardens, Diascia cultivars (mostly hybrids) have become extremely popular as colourful, floriferous, easily grown bedding plants in re......read more on Wikipedia.