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Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.

Key to Baptisia

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1 Leaves 1-foliolate, sessile or perfoliate.
..2 Leaves perfoliate; plant glabrous or nearly so; [widespread, from s. SC southward]
..2 Leaves sessile; plant glabrous or densely cobwebby pubescent; [narrow endemics of GA and FL].
....3 Plant cobwebby-pubescent; leaves ca. 1× as long as wide, cordate at base; corolla 9-11 mm long, yellow; [of e. GA (Brantley and Wayne counties)]
....3 Plant glabrous; leaves 1.3-1.6× as long as wide, rounded to broadly cuneate at base; corolla 12-15 mm long, pale yellow to greenish; [of the FL Panhandle (Franklin, Gadsden, Leon, Liberty, and Wakulla counties)]
1 Leaves 3-foliolate, petiolate or sessile.
......4 Flowering or fruiting pedicels bracteolate; corolla 11-14 mm long
........5 Calyx lobes about as long as the calyx tube
........5 Calyx lobes much > the calyx tube.
..........6 Plant glabrous; [of ne. FL (Clay and St. Johns counties)]
..........6 Plant tomentose to hirsute; [of FL Panhandle (Escambia, Holmes, Okaloosa, Santa Rosa, and Walton counties) and s. AL (Covington County)]
......4 Flowering or fruiting pedicels lacking bracteoles; corolla larger (except B. tinctoria).
............ 7 Plants in flower
............ 7 Plants in fruit