Scutellaria galericulata L.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Rhizomatous perennial; stems weak but mostly erect, 2–8 dm, retrorsely strigose-puberulent especially along the angles, or less often glabrous or glandular; lvs barely or scarcely petiolate, the blade lanceolate to narrowly ovate-oblong, pinnately veined, mostly blunt-toothed, 2–6 cm × 6–20 mm, truncate-subcordate at base, glabrous above, usually puberulent beneath; fls solitary in the axils of slightly reduced lvs; cal 3.5–4.5 mm; cor blue marked with white, 1.2–2 cm; 2n=32. Wet soil; circumboreal, s. to Del., Ind., Mo., and Calif. June–Aug. (S. epilobiifolia)