Tetrapteron graciliflorum is a species of evening primrose known by the common name hill suncup.[1] It is native to Oregon and California, where it grows in several habitat types, often on clay soils. It is an annual herb generally with no stem but producing an upright, nodding inflorescence. There is a cluster of narrow leaves each one to ten centimeters long. The flowers have bright yellow petals one half to two centimeters long. The fruit is a leathery capsule less than a centimeter in length with four chambers containing bumpy brown seeds.
| Tetrapteron graciliflorum | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Myrtales |
| Family: | Onagraceae |
| Genus: | Tetrapteron |
| Species: | T. graciliflorum
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| Binomial name | |
| Tetrapteron graciliflorum | |
| Synonyms | |
References
edit- ^ USDA, NRCS (n.d.). "Camissonia graciliflora". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 December 2015.
External links
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