Smilax californica explained

Smilax californica, the California greenbriar, is a common woody vine native to northern California and southwestern Oregon in the western United States.^{[1] [2]}

The leaves are dull green, petioled, alternate, and circular to heart-shaped. They are generally 5–10 cm long.^[3] The stems are round, green and have sharp spines.^{[3] [4]}

The plant is native to coniferous streambanks below 5000 feet.^[5]

Notes and References

1. Web site: CalFlora taxon report on S. californica. 13 December 2009.
2. http://bonap.net/MapGallery/County/Smilax%20californica.png Biota of North America Program, 2014 county distribution map
3. Web site: Jepson Manual Treatment of S. californica. 14 December 2009.
4. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242101928 Flora of North America Vol. 26 Page 472 Smilax californica (A. de Candolle) A. Gray
5. http://www.eol.org/pages/1082557?category_id=293 Encyclopedia of Life