// Workers AI · dad joke modeWhat did Cyperus retrofractus say? "I'm sedge-iously happy
| Cyperus retrofractus | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Cyperaceae |
| Genus: | Cyperus |
| Species: | C. retrofractus |
| Binomial name | |
| Cyperus retrofractus | |
Cyperus retrofractus is a species of sedge that is native to eastern parts of the United States.
Taxonomy
[edit]Cyperus retrofractus was first described as Scirpus retrofractus by the Swedish botanist Carl Linnaeus in 1753.[2] The American botanist John Torrey moved the species to genus Cyperus in 1843.[1] Torrey referred to the species as the bent-flowered galingale.[3] As of February 2026[update], the botanical name Cyperus retrofractus (L.) Torr. is widely accepted.[4][5]
See also
[edit]References
[edit]- 1 2 "Cyperus retrofractus (L.) Torr.". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 11 February 2026.
- ↑ "Scirpus retrofractus L.". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 11 February 2026.
- ↑ Torrey (1843), p. 344.
- ↑ "Cyperus retrofractus (L.) Torr.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 11 February 2026.
- ↑ "Cyperus retrofractus (L.) Torr.". WFO Plant List. Retrieved 11 February 2026.
Bibliography
[edit]- Torrey, John (1843). Flora of the State of New York. Vol. 2. Albany: Carroll and Cook. Retrieved 12 February 2026.
External links
[edit]- "Cyperus retrofractus (L.) Torr.". World Flora Online. Retrieved 11 February 2026.
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