Boykinia intermedia

Boykinia intermedia is a plant species native to northwestern Oregon and Washington. Some publications reported the species from northern Idaho as well, but these citations appear to have been based in misidentified specimens. The species grows in forests, on stream banks and lake sides at elevations up to 700 m.[2]

Boykinia intermedia
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Saxifragales
Family: Saxifragaceae
Genus: Boykinia
Species:
B. intermedia
Binomial name
Boykinia intermedia
(Piper) G.N. Jones
Synonyms[1]
  • Boykinia major var. intermedia Piper
  • Therofon intermedium (Piper) A. Heller
  • Therofon major subsp. intermedium (Piper) Piper

Boykinia intermedia is a perennial herb spreading by means of stolons running along the surface of the ground. Stems are up to 70 cm tall. Basal leaves are kidney-shaped, pinnately lobed, up to 11 cm long. Cauline (stem) leaves are up to 10 mm long. Flowers are white, borne in groups of up to 15 flowers.[2][3][4][5][6][7][8]

References
  1. Tropicos
  2. Flora of North America v 8 p 127
  3. Jones, George Neville. 1936. Botanical Survey of the Olympic Peninsula 168.
  4. Piper, Charles Vancouver. 1899. Erythea 7(12/1): 172–173..
  5. Heller, Amos Arthur. 1904. Muhlenbergia; a journal of botany 1(4): 53.
  6. Piper, Charles Vancouver. 1906. Contributions from the United States National Herbarium 11: 311.
  7. Soltis, D. E. 1987. Karyotypes and relationships among Bolandra, Boykinia, Peltoboykinia, and Suksdorfia (Saxifragaceae: Saxifrageae). Systematic Botany 12: 14–20.
  8. C. Leo Hitchcock & Arthur Cronquist. 1969. Flora of the Pacific Northwest: An Illustrated Manual. University of Washington Press. Seattle.
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