King's Arenaria - Arenaria kingii
Perennial from a loosely branched caudex, forming loose mats. Stems erect, simple, 10–30 cm. Leaves filiform, sparsely short-hairy, 1–2 cm long, shorter below. Inflorescence several-flowered, open, glandular (sparsely). Flowers: sepals glabrous to glandular, narrowly ovate with an acute tip, broadly scarious-margined with a deep green center, 3–6 mm long; petals spatulate, sometimes lobed, 5–7 mm long. Capsules glabrous, 4–7 mm long. Our plants are variety glabrescens (S. Watson) Maguire (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
OR, ID, MT, CA, NV and UT (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
Rocky soil of open slopes in the subalpine and alpine zones.
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus melanopygus
and Bombus sylvicola
(Wilson et al. 2010, Koch et al. 2012, Williams et al. 2014).
- Literature Cited AboveLegend: View Online Publication
- Koch, J., J. Strange, and P. Williams. 2012. Bumble bees of the western United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 143 p.
- Williams, P., R. Thorp, L. Richardson, and S. Colla. 2014. Bumble Bees of North America. Princeton, NJ. Princeton University Press.
- Wilson, J.S., L.E. Wilson, L.D. Loftis, and T. Griswold. 2010. The montane bee fauna of north central Washington, USA, with floral associations. Western North American Naturalist 70(2): 198-207.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
- Vanderhorst, J.P. and P. Lesica. 1994. Sensitive plant survey in the Tendoy Mountains, Beaverhead County, Montana. Unpublished report to the Bureau of Land Management, Butte District. Montana Natural Heritage Program, Helena, MT. 59 pp. plus appendices.