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Scutellaria
See list of 5 species in this genusReference: Epling (1942).
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1a. Bracts near the middle of the inflorescence scarcely differentiated from the upper foliage leaves (i.e., the flowers occurring in the axils of leaves) [Fig. 704]; principal leaf blades sessile or borne on short petioles up to 4 mm long
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2a. Corolla 12–20 mm long; leaf blades 20–60 mm long, lanceolate to ovate-oblong, commonly 2–4 times as long as wide
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2b. Corolla 7–9 mm long; leaf blades 10–16 mm long, narrow-ovate or triangular to suborbicular, usually less than 2 times as long as wide
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1b. Bracts near the middle of the inflorescence conspicuously reduced in size compared with the upper foliage leaves (i.e., the flowers in leafy-bracteate racemes); principal leaf blades on petioles 5–25 (–33) mm long
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3a. Racemes not secund; median leaf blades lanceolate or oblanceolate, 4–15 mm wide, entire or low-crenate
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3b. Racemes secund; median leaf blades narrow-ovate to ovate, 15–50 (–80) mm wide, dentate or serrate
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4a. Corolla 5–8 mm long, ± straight and not curved upward out of the calyx
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4b. Corolla 12–16 (–18) mm long, evidently curved upward out of the calyx
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Each photo represents one species in this genus.