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Ranunculaceae
Delphinium

not marked as a favorite taxon Delphinium tricorne Michaux. Common name: Dwarf Larkspur. Phenology: Mar-May. Habitat: Rich, moist forests, especially over mafic or calcareous rocks, less commonly (as along the Roanoke River in ne. NC) on very fertile alluvial deposits, moist prairies. Distribution: Sw. PA and MN south to NC, nw. GA, AL, and OK.

Glossary (beta!)

ID notes: The flowers are variable in color, usually a deep bluish violet, but ranging through pink to pure white.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, F, FNA3, G, GrPl, Il, K4, Mo3, NS, Pa, POWO, RAB, S, S13, Tn, Va, W, WV, Kral (1976). Basionym: Delphinium tricorne Michx. 1803

Links to other floras: = Delphinium tricorne - FNA3

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Heliophily ⓘ: 3

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image #1 of Delphinium tricorne© Keith Bradley | Original Image ⭷
image #2 of Delphinium tricorne© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #3 of Delphinium tricorne© Alan Cressler: Delphinium tricorne, Taylor Ridge Shale Glades, Taylor Ridge, Chattahoochee National Forest, Chattooga County, Georgia 6 by Alan Cressler source | Original Image ⭷
image #4 of Delphinium tricorne© Alan Cressler: Delphinium tricorne, basel leaves, Taylor Ridge Shale Glades, Taylor Ridge, Chattahoochee National Forest, Chattooga County, Georgia 1 by Alan Cressler source | Original Image ⭷
image #5 of Delphinium tricorne© Gary P. Fleming | Original Image ⭷
image #6 of Delphinium tricorne© Alan Cressler: Delphinium tricorne, Calloway Sinks, Sharp-Bingham Mountain Preserve, The Nature Conservancy, Jackson County, Alabama 3 by Alan Cressler source | Original Image ⭷
image #7 of Delphinium tricorne© Alan Cressler: Delphinium tricorne, Taylor Ridge Shale Glades, Taylor Ridge, Chattahoochee National Forest, Chattooga County, Georgia 2 by Alan Cressler source | Original Image ⭷
image #8 of Delphinium tricorne© Alan Cressler: Delphinium tricorne, Carters Lake Reregulation Park, Murray County, Georgia 1 by Alan Cressler source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect perennial found in rich, moist forests, especially over mafic or calcareous rocks; less commonly on very fertile alluvial deposits.

Stems: Stems from thick, tuberous roots; stout, fleshy and unbranched.

Leaves: Leaves mostly basal; petiolate; to 4 in. long and wide; deeply palmately divided into 5-7 lobes, these in turn divided into 2-3 shallow lobes; sparsely hairy.

Inforescence:

Flowers: Flowers in an open, terminal raceme; blue-purple to pink or white; 3/4-1 in. long; consisting of 5 petal-like sepals, the upper one prolonged into a curved nectar spur behind the flower and the other 4 spreading outward; 4 small, inner petals surround a whitish opening that leads to the spur.

Fruits: Fruit a strongly 3-parted follicles.

Comments:

Height: 12-20 in.

plant sale text:

bloom table text:

description: Erect perennial found in rich, moist forests, especially over mafic or calcareous rocks; less commonly on very fertile alluvial deposits.

stems: Stems from thick, tuberous roots; stout, fleshy and unbranched.

leaves: Leaves mostly basal; petiolate; to 4 in. long and wide; deeply palmately divided into 5-7 lobes, these in turn divided into 2-3 shallow lobes; sparsely hairy.

inflorescence:

flowers: Flowers in an open, terminal raceme; blue-purple to pink or white; 3/4-1 in. long; consisting of 5 petal-like sepals, the upper one prolonged into a curved nectar spur behind the flower and the other 4 spreading outward; 4 small, inner petals surround a whitish opening that leads to the spur.

fruits: Fruit a strongly 3-parted follicles.

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cultural notes:

germination code:

native range: eastern & central United States



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