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Montana Field Guide

Montana Field Guides

Weak-stemmed Stonecrop - Sedum debile

Global Rank: G4G5
State Rank: S3S4
* (see State Rank Reason below)

Agency Status
MNPS Threat Rank:

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State Rank Reason (see State Rank above)
Considered to be locally common in the southern Bitterroot Mountains (Lesica & Shelly, 1991).
General Description
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).

Range Comments
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.

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Citation for data on this website:
Weak-stemmed Stonecrop — Sedum debile.  Montana Field Guide.  .  Retrieved on , from