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Montana Field Guide

Montana Field Guides

Clasping-leaf Dogbane - Apocynum cannabinum
Other Names:  Apocynum sibiricum

Native Species

Global Rank: G5
State Rank: S4?

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Stems erect, 30–120 cm, usually branched. Herbage glabrate. Leaves ascending; blades lanceolate, apiculate, 4–8 cm long. Inflorescence bracteate panicles at tips of upper side branches. Flowers tubular; calyx 2–3 mm long; corolla greenish-white, tube 2–3 mm long, lobes 1–2 mm long. Follicles pendulous, 12–16 cm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
Throughout most of North America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 24

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Relative Density



(Observations spanning multiple months or years are excluded from time charts)


  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Web Search Engines for Articles on "Clasping-leaf Dogbane"
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Citation for data on this website:
Clasping-leaf Dogbane — Apocynum cannabinum.  Montana Field Guide.  .  Retrieved on , from