Flora of the Southeastern United States
2022 Edition


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Trichostema setaceum Houttuyn. Narrowleaf Blue Curls. Phen: Aug-Nov. Hab: Thin soils around rock outcrops, especially granite flatrocks, dry sandy soils of the Coastal Plain. Dist: CT west to OH, south to FL and TX, primarily on the Coastal Plain.

Origin/Endemic status: Native

Syn: = C, F, Fl6, Il, K1, K3, K4, Mo3, NE, NY, Pa, RAB, Tn, Tx, Va, W, WH3, Lewis (1945), McClelland & Weakley (2019) in Weakley et al (2019a); = Trichostema dichotomum var. lineare – G; = Trichostema lineare – S

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image of plant© Gary P. Fleming
image of plant© Floyd A. Griffith
image of plant© Alan M. Cressler
image of plant© Floyd A. Griffith