Weak-stemmed Stonecrop - Sedum debile
(see State Rank Reason below)
MNPS Threat Rank
State Rank Reason (see State Rank above)
Considered to be locally common in the southern Bitterroot Mountains (Lesica & Shelly, 1991).
Glabrous perennial herbs. Stems decumbent, branched, bearing erect rosettes. Leaves 4-7 mm, ascending, sessile; blades pale green, speckled with pink, sometimes pink or red, glaucous, usually elliptic, oblanceolate, or obovate, sometimes ovate-elliptic, subterete, ± globular. Inflorescences cymose, 2-7-flowered, forked. Pedicels to 1.2 mm. Sepals 2-4.2 mm, erect, connate basally, apex obtuse; petals 6-9 mm, connate basally, yellow, elliptic-lanceolate, slightly carinate, , apex obtuse with mucronate appendage; filaments and anthers yellow. Carpels erect or ascending in fruit, connate basally, straw colored with purple stripes (adapted from: H. Ohba, 2009, in Flora N. America, Vol. 8).
A Great Basin species from ID to OR, NV, WY, and UT with reports (Clausen 1975) from Colfax County, NM, that need to be reconfirmed (Kartesz in prep. 2012).
Shallow soil over bedrock in the montane and subalpine zones.
- Additional ReferencesLegend: View Online Publication
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- Hodgson, J.R. 1970. Ecological distribution of Microtus montanus and Microtus pennsylvanicus in an area of geographic sympatry in southwestern Montana. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 65 p.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.