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Scutellaria lateriflora Linnaeus. Common name: Mad-dog Skullcap, Tall Blue Skullcap. Phenology: Jul-Nov. Habitat: Alluvial forests, bogs, seeps, marshes, shores. Distribution: NL (Newfoundland) west to BC, south to GA, Panhandle FL, and CA.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, F, Fl6, FNA, G, GrPl, GW2, Il, Mi, Mo3, NcTx, NE, NY, Pa, RAB, S, Tat, Tn, Tx, Va, W, WH3, WV; > Scutellaria lateriflora L. var. grohii Boivin — K4; > Scutellaria lateriflora L. var. lateriflora — K4. Basionym: Scutellaria lateriflora L. 1753

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: FACW
  • Great Plains: FACW
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 6

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image of plant© Erik Danielson source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect to sprawling, rhizomatous and stoloniferous perennial found in alluvial forests, bogs, seeps, marshes and pond shores.

Stems: Stems 4-angled, light-green to pale reddish-green, smooth to minutely furry on the angles.

Leaves: Leaves opposite, petiolate, oval to oval-lance-shaped with pointy tips, to 2 1/4 in. long, coarsely toothed and with small hairs on veins.

Inforescence:

Flowers: Flowers in several racemes on spreading upper branches, favoring one side of the raceme axis; blue to pink (or white); to 1/3 in. long; bilaterally symmetric; tubular, the corolla tube furry and with a hood-like, lobed upper lip arched above a spreading, convex lower lip, which is often white. As in all Scutellaria species, the calyx tube is 2-lobed, with a distinctive cap-like projection on the upper lobe.

Fruits:

Comments: A non-aromatic member of the mint family.

Height: 1-2.5 ft.

plant sale text:

bloom table text:

description: Erect to sprawling, rhizomatous and stoloniferous perennial found in alluvial forests, bogs, seeps, marshes and pond shores.

stems: Stems 4-angled, light-green to pale reddish-green, smooth to minutely furry on the angles.

leaves: Leaves opposite, petiolate, oval to oval-lance-shaped with pointy tips, to 2 1/4 in. long, coarsely toothed and with small hairs on veins.

inflorescence:

flowers: Flowers in several racemes on spreading upper branches, favoring one side of the raceme axis; blue to pink (or white); to 1/3 in. long; bilaterally symmetric; tubular, the corolla tube furry and with a hood-like, lobed upper lip arched above a spreading, convex lower lip, which is often white. As in all Scutellaria species, the calyx tube is 2-lobed, with a distinctive cap-like projection on the upper lobe.

fruits:

comments: A non-aromatic member of the mint family.

cultural notes:

germination code:

native range: North America



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