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Lupinus
See list of 2 species in this genusLupinus angustifolius was reported for ME by Campbell et al. (1995), but specimens are unknown. Reports of Lupinus albus L. in MA (e.g., Sorrie and Somers 1999) were based on a specimen taken from cultivated material—11 Sep 1917, Kidder s.n. (NEBC!).
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1a. Leaves with 5–7 (–11) leaflets 2–5 (–6) cm long; racemes usually 10–20 cm tall; corollas 12–16 mm long
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1b. Leaves with (8–) 11–17 leaflets 7.5–13 cm long; racemes usually 20–40 cm tall; corollas 15–20 mm long
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Each photo represents one species in this genus.