| Exacum affine | |
|---|---|
| |
| Conservation status | |
 Least Concern (IUCN 3.1) | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Gentianaceae |
| Genus: | Exacum |
| Species: | E. affine |
| Binomial name | |
| Exacum affine Balf.f. ex Regel | |
| Synonyms | |
|
Exacum gracilipes Balf.f. | |
Exacum affine, known commercially as the Persian violet, is a species of plant in the family Gentianaceae. It is endemic to Socotra, part of Yemen, though its popularity and cultivation around the world have made it an occasional greenhouse weed. Its natural habitat is rocky areas. This is a small herbaceous biennial plant with dark green, ovate leaves. The small purple flowers have a yellow centre with fragrance.
Cultivation
In the UK, Exacum affine has won the Royal Horticultural Society's Award of Garden Merit. This tender annual or biennial plant is sown in heat in early spring, and planted out when all danger of frost has passed (May or June, depending on the location).
References
- Knees, S.G.; Patzelt, A.; Miller, A. (2013). "Exacum affine". IUCN Red List of Threatened Species. 2013: e.T44952A21169238. doi:10.2305/IUCN.UK.2013-1.RLTS.T44952A21169238.en. Retrieved 16 November 2021.
- "Exacum affine Balf.f. ex Regel". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved August 4, 2020.
- Exacum affine. The Plant List. Accessed on 04 October 2014.
- "Exacum affine". www.rhs.org. Royal Horticultural Society. Retrieved 30 June 2020.
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