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Loganiaceae
Spigelia

Spigelia marilandica (Linnaeus) Linnaeus. Common name: Pinkroot, Wormgrass, Indian-pink. Phenology: May-Jun; late Jun-Jul. Habitat: Moist to dry woodlands and forests, usually on circumneutral soils. Distribution: SC, sw. NC (Cherokee Co. and Macon Co.), and TN west to s. IN and OK, south to Panhandle FL and TX; some floras allege its occurrence north to VA, MD, NJ, and PA (its recent use as a native ornamental is spreading its distribution, at least as a garden waif, beyond its native distribution). S. marilandica will likely be found in sw. VA; a single dubious record from Giles County, VA is of uncertain origin (FUGR).

Glossary (beta!)

Origin/Endemic status: Endemic

Taxonomy Comments: White or pink-flowered plants in AL need additional study.

Synonymy : = Ar, C, F, Fl5, FNA14, G, Il, K4, Mo3, NcTx, RAB, Tn, Tx, W, WH3, Gould (1997), Rogers (1986); = Spigelia marylandica L. — S, S13, orthographic variant; Lonicera marilandica Linnaeus. Basionym: Lonicera marilandica L. 1753

Links to other floras: = Spigelia marilandica - FNA14

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Heliophily : 5

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image of plant© Will Stuart | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Sonnia Hill | Original Image ⭷
image of plant© Sonnia Hill | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect, clump-forming perennial of moist woods and stream banks, usually in circumneutral soils over limestone or other mafic rock.

Stems: Stems wiry, unbranched, smooth.

Leaves: Leaves opposite, sessile, oval to lance-shaped, 2-4 in. long, smooth.

Inforescence:

Flowers: Flowers in a terminal, one-sided spike that curves slightly at the tip; scarlet red with yellow inner surface; to 2 in. long; erect-tubular, with 5 short, pointed, spreading corolla lobes and a protruding style.

Fruits:

Comments:

Height: 1-2 ft.

plant sale text: Pinkroot is a spectacular, upright perennial with striking red and yellow tubular flowers that attract hummingbirds in the summer. This species thrives in full to partially shaded areas with rich, moist soil, however it will tolerate more sun if given enough moisture. The seeds of pinkroot exhibit a seed dispersal mechanism called “explosive dehiscence”…they are essentially spring-loaded within their capsules and will shoot out up to several feet when ripe.

bloom table text:

description: Erect, clump-forming perennial of moist woods and stream banks, usually in circumneutral soils over limestone or other mafic rock.

stems: Stems wiry, unbranched, smooth.

leaves: Leaves opposite, sessile, oval to lance-shaped, 2-4 in. long, smooth.

inflorescence:

flowers: Flowers in a terminal, one-sided spike that curves slightly at the tip; scarlet red with yellow inner surface; to 2 in. long; erect-tubular, with 5 short, pointed, spreading corolla lobes and a protruding style.

fruits:

comments:

cultural notes:

germination code:

native range: southeastern United States



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