Climbing Nightshade - Solanum dulcamara
Bittersweet Nightshade, Poisonberry, Scarlet Berry, Fellenwort
Rhizomatous perennial. Stems often woody at the base, prostrate, ascending or clambering, up to 3 m long. Herbage glabrate. Leaf blades ovate, truncate to cordate-based, often with 1 to 2 deep basal lobes, 3–10 cm long. Inflorescence axillary, branched cymes, 7- to 14-flowered; peduncle 1–5 cm long. Flowers: calyx lobes ca. 1 mm long; corolla purple, lobes reflexed, lanceolate, 5–9 mm long with a pair of yellow spots at the base of each; anthers 4–6 mm long. Berry becoming red, 8–12 mm long; persistent calyx not swollen (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
Introduced throughout much of temperate North America; native to Eurasia (Lesica et al. 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)
Riparian forests, woodlands, thickets, often along streams, ditches, around buildings; plains, valleys (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans
, Bombus auricomus
, Bombus fervidus
, Bombus terricola
, Bombus pensylvanicus
, Bombus bimaculatus
, Bombus griseocollis
, and Bombus impatiens
(Colla and Dumesh 2010, Colla et al. 2011, Williams et al. 2014, Tripoldi and Szalanski 2015).
- Literature Cited AboveLegend: View Online Publication
- Colla, S., L. Richardson, and P. Williams. 2011. Bumble bees of the eastern United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 103 p.
- Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141:39-68.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Tripoldi, A.D. and A.L. Szalanski. 2015. The bumble bees (Hymenoptera: Apidae: Bombus) of Arkansas, fifty years later. Journal of Melittology 50: doi: http://dx.doi.org/10.17161/jom.v0i50.4834
- Williams, P., R. Thorp, L. Richardson, and S. Colla. 2014. Bumble Bees of North America. Princeton, NJ: Princeton University Press. 208 p.
- Additional ReferencesLegend: View Online Publication
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- Eggers, M.J.S. 2005. Riparian vegetation of the Montana Yellowstone and cattle grazing impacts thereon. M.Sc. Thesis. Montana State University, Bozeman, MT. 125 p.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
- Martinka, R.R. 1970. Structural characteristics and ecological relationships of male blue grouse (Dendragapus obscurus (Say)) territories in southwestern Montana. Ph.D Dissertation. Bozeman, MT: Montana State University. 73 p.
- Sater, S. 2022. The insects of Sevenmile Creek, a pictorial guide to their diversity and ecology. Undergraduate Thesis. Helena, MT: Carroll College. 242 p.