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Baptisia
See list of 3 species in this genus-
1a. Stipules subfoliaceous, those of the principal leaves 20–40 mm long; raceme usually secund, initially ascending-spreading, becoming declined, with persistent foliaceous bracts 10–30 mm long; stem villous (sometimes becoming glabrate in later season)
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1b. Stipules small and caducous or ± persistent and 3–15 mm long; racemes not secund, ascending to erect, with caducous bracts less than 10 mm long; stem glabrous
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2a. Corollas light purple to blue-purple, 25–30 mm long; pedicels 4–12 mm long; legume 30–50 (–60) mm long; leaflets 15–80 mm long
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2b. Corollas yellow, 12–16 mm long; pedicels 3–5 mm long; legume 7–15 mm long; leaflets 10–25 (–40) mm long
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Each photo represents one species in this genus.