Tetrapteron graciliflorum

Tetrapteron graciliflorum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Onagraceae
Genus: Tetrapteron
Species:
T. graciliflorum
Binomial name
Tetrapteron graciliflorum
(Hook. & Arn.) W.L.Wagner & Hoch
Synonyms
  • Camissonia graciliflora (Hook. & Arn.) P.H.Raven
  • Oenothera graciliflora Hook. & Arn.
  • Taraxia graciliflora (Hook. & Arn.) Raim.

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. It features a cluster of narrow leaves, each measuring one to ten centimeters in length. The flowers are adorned with bright yellow petals, ranging from half a centimeter to two centimeters in length. The fruit is a leathery capsule, less than a centimeter long, containing four chambers with bumpy brown seeds.

References

  1. ^ NRCS. "Camissonia graciliflora". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 9 December 2015.


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