| Lapeirousia oreogena | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Iridaceae |
| Genus: | Lapeirousia |
| Species: | L. oreogena
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| Binomial name | |
| Lapeirousia oreogena Schltr. ex Goldblatt
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| Distribution of L. oreogena in South Africa | |
Lapeirousia oreogena, known in English as cushion cabong and in Afrikaans as perskussing, is a species of tuberous geophyte in the Iris family, Iridaceae. It is found in a small area between the provinces of Northern Cape and Western Cape in South Africa. Lapeirousia oreogena was first described in 1897 by Rudolf Schlechter and then subsequently published in Contributions from the Bolus Herbarium by Peter Goldblatt in 1972.
The flowers of L. oreogena are pollinated by a single species of fly in the family Nemestrinidae, Prosoeca marinusi, a relationship described as one of the "most specialized systems" of coevolution among related plants.[1]: 635 It is recognized by the Red List of South African Plants as being "least concern".