Pseudostellaria oxyphylla

Pseudostellaria oxyphylla, the robust starwort[1] or Robinson's starwort, is a rare plant species endemic to Idaho, known only from Kootenai and Shoshone Counties. It grows along streambanks in conifer forests at elevations of 800–900 m.[2]

Pseudostellaria oxyphylla
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Pseudostellaria
Species:
P. oxyphylla
Binomial name
Pseudostellaria oxyphylla
(B.L.Rob.) R.L.Hartm. & Rabeler
Synonyms

Stellaria oxyphylla B.L. Rob.

Pseudostellaria oxyphylla is an annual herb with fibrous roots. Stems are 4-angled, up to 30 cm long, with a thin line of hairs along one side. Leaves are narrow, up to 12 cm long. Flowers have green sepals and white petals.[2][3][4][5]

References edit

  1. ^ USDA, NRCS (n.d.). "Stellaria oxyphylla". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 1 December 2015.
  2. ^ a b Flora of North America vol 5.
  3. ^ Hartman, Ronald Lee & Rabeler, Richard Kevin. 2004. Pseudostellaria oxyphylla (Caryophyllaceae), a long overlooked species from northern Idaho. Sida 21(1): 175-179.
  4. ^ Robinson, Benjamin Lincoln. 1898. New species and extended ranges of North American Caryophyllaceae. Botanical Gazette 25(3): 165–171..
  5. ^ Hitchcock, C. Leo, & Arthur Cronquist. 1959-1965. Flora of the Pacific Northwest: An Illustrated Manual. University of Washington Press, Seattle. ISBN 978-0-295-95273-4