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Aconitum uncinatum Linnaeus. Eastern Blue Monkshood, Appalachian Blue Monkshood. Phen: Aug-Oct. Hab: Seepages, saturated swamps, cove forests, other moist forests. Dist: C. MD and sw. PA south to e. VA, e. NC, wc. GA, and c. TN; disjunct in sc. MO (Yatskievych 2013).

Origin/Endemic status: Native

Taxonomy Comments: Two varieties or subspecies are sometimes recognized, but the character differences seem ambiguous, poorly correlated with one another, and geographically incoherent. A third eastern blue-flowered entity has been variously treated as an additional subspecies or variety of A. uncinatum, as a separate species, A. noveboracense A. Gray, or as disjunct populations of the otherwise more western A. columbianum Nuttall.

Synonymy : = FNA3, Il, NE, Pa, RAB, S, S13, Tn, Va, W; > Aconitum uncinatum L. ssp. muticum (DC.) Hardin – K1, K3, K4, Hardin (1964b); > Aconitum uncinatum L. ssp. uncinatum – K1, K3, K4, Hardin (1964b); > Aconitum uncinatum L. var. acutidens Fernald – F; > Aconitum uncinatum L. var. muticum DC. – C; > Aconitum uncinatum L. var. uncinatum – C, F

Links to other floras: = Aconitum uncinatum - FNA3

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FAC
  • Eastern Mountains and Piedmont: FAC
  • Midwest: FAC
  • Northcentral & Northeast: FAC

Heliophily : 4

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image of plant© Alan Cressler: Aconitum uncinatum, Brasstown Valley Seeps, Towns County, Georgia 1 by Alan Cressler source | Original Image ⭷
image of plant© Edwin Bridges | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect to sprawling perennial growing in seepages, moist meadows, cove forests and other moist forests.

Stems: Stems arising from tuber-like root, slender and weak (often leaning on other plants), branching, smooth to minutely hairy.

Leaves: Leaves alternate, petiolate, about 4 in. long (and wide), palmately and deeply divided into 3-5 coarsely toothed segments.

Inforescence:

Flowers: Flowers in loose panicles from upper leaf axils and stem ends, blue to purple, 1-2 in. long, bilaterally symmetric, consisting of 5 petal-like sepals, the uppermost one shaped like a hood or helmet, that enclose 2 smaller blue petals.

Fruits: Fruit a beaked, ellipsoid follicle.

Comments: All parts of this plant are toxic, and a drug derived from it has been used to treat neuralgia and sciatica.

Height: 2-5 ft.

plant sale text:

bloom table text:

description: Erect to sprawling perennial growing in seepages, moist meadows, cove forests and other moist forests.

stems: Stems arising from tuber-like root, slender and weak (often leaning on other plants), branching, smooth to minutely hairy.

leaves: Leaves alternate, petiolate, about 4 in. long (and wide), palmately and deeply divided into 3-5 coarsely toothed segments.

inflorescence:

flowers: Flowers in loose panicles from upper leaf axils and stem ends, blue to purple, 1-2 in. long, bilaterally symmetric, consisting of 5 petal-like sepals, the uppermost one shaped like a hood or helmet, that enclose 2 smaller blue petals.

fruits: Fruit a beaked, ellipsoid follicle.

comments: All parts of this plant are toxic, and a drug derived from it has been used to treat neuralgia and sciatica.

cultural notes:

germination code:

native range: southeastern United States