Trichostema setaceum Houttuyn. Section: Trichostema. Common name: Narrowleaf Blue Curls. Phenology: Aug-Nov. Habitat: Thin soils around rock outcrops, especially granite flatrocks, dry sandy soils of the Coastal Plain. Distribution: CT west to OH, south to FL and TX, primarily on the Coastal Plain.
Origin/Endemic status: Native
Synonymy ⓘ: = C, F, Fl6, Il, K4, Mo3, NE, NY, Pa, RAB, Tat, Tn, Tx, Va, W, WH3, Lewis (1945), McClelland & Weakley (2019) in Weakley et al (2019a); = Trichostema dichotomum L. var. lineare (Walter) Pursh — G; = Trichostema lineare Walter — S. Basionym: Trichostema setaceum Houtt. 1778
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Heliophily ⓘ: 9
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© Scott Ward | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Scott Ward | Original Image ⭷
© Scott Ward | Original Image ⭷
© Floyd A. Griffith | Original Image ⭷
© Alan M. Cressler | Original Image ⭷
© Floyd A. Griffith | Original Image ⭷Feedback
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Horticultural Information
Intro: Erect annual of thin soils around rock outcrops, especially granite flatrocks, and dry sandy soils of the Coastal Plain.
Stems: Stems 4-angled, branched, minutely hairy with scattered long hairs, not glandular.
Leaves: Leaves opposite, short-petiolate to sessile, linear and bluntly pointed, to 2 in. long, smooth.
Inforescence:
Flowers: Flowers in a terminal panicle, with 2 leaf-like bracts at the base of each 1- to 3-flowered stalk; dark blue to purple; about 1/3 in. long; consisting of 5 spreading lobes, the 4 upward-pointing ones similar in length to the downward-pointing one, which has a blue-purple-spotted white patch, and 4 long stamens curling above.
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Comments:
Height: 4-12 in.
plant sale text:
bloom table text:
description: Erect annual of thin soils around rock outcrops, especially granite flatrocks, and dry sandy soils of the Coastal Plain.
stems: Stems 4-angled, branched, minutely hairy with scattered long hairs, not glandular.
leaves: Leaves opposite, short-petiolate to sessile, linear and bluntly pointed, to 2 in. long, smooth.
inflorescence:
flowers: Flowers in a terminal panicle, with 2 leaf-like bracts at the base of each 1- to 3-flowered stalk; dark blue to purple; about 1/3 in. long; consisting of 5 spreading lobes, the 4 upward-pointing ones similar in length to the downward-pointing one, which has a blue-purple-spotted white patch, and 4 long stamens curling above.
fruits:
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