Contains 9 accepted taxa overall.

Characteristics
Baptisia Vent.
WILD INDIGO
Classification
FABALES
Baptisia
Citation
BAPTISIA Ventenat, Dec. Gen. Nov. 9. 1808.
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TYPE: Baptisia alba (Linnaeus) Ventenat (Crotalaria alba Linnaeus) Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 344. 1913.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Baptisia alba WHITE WILD INDIGO Native FACU (NWPL)
Baptisia albescens SPIKED WILD INDIGO Native
Baptisia calycosa FLORIDA WILD INDIGO Native Endemic Endangered-State
Baptisia hirsuta HAIRY FLORIDA WILD INDIGO Native Threatened-State
Baptisia lanceolata GOPHERWEED Native
Baptisia lecontei PINELAND WILD INDIGO Native
Baptisia megacarpa APALACHICOLA WILD INDIGO Native Endangered-State
Baptisia perfoliata CATBELLS Native
Baptisia simplicifolia SCAREWEED Native Endemic Threatened-State
[Family identification key]
1.  Stipules absent; leaves 1-foliolate
2
1.  Stipules present, 0.1-15 mm long (deciduous or persistent); leaves 3-foliolate (distal ones sometimes 1- or 2-foliolate)
3
2.  Leaves perfoliate; flowers axillary, solitary
2.  Leaves sessile; flowers numerous in a raceme to 20 cm long
3.  Pedicels 1-4 cm long, with bracteoles above the middle, subtended by a bract 3-25 mm long; corolla 10-14 mm long, yellow
4
3.  Pedicels 0.3-1.3 cm long, without bracteoles, subtended by a bract to 5 mm long or the bract absent; corolla (11)13-24 mm long, yellow or white
6
4.  Pedicel bracteoles 2-5(11) mm long; calyx 5-7(9) mm long, the lobes subequal to shorter than the calyx tube
4.  Pedicel bracteoles 10-16 mm long; calyx 9-13 mm long, the lobes much longer than the tube
5
5.  Plant glabrate
5.  Plant hirsute
6.  Plant strigose to somewhat glabrate; petioles 0.1-12 mm long; peduncle 0-1.7 cm long; inflorescence of 1-7 flowers; corolla yellow; fruit woody, 1-2.5 cm long, 1-1.2 cm wide
7
6.  Plant glabrous to glabrate, except for dense pubescence at calyx tip; petioles 5-20 mm long; peduncle 1.5-6 cm long; inflorescence of (4)8-40 flowers; corolla white to cream, sometimes faintly pale yellow; fruit brittle to coriaceous, 2-4 cm long, 0.7-3 cm wide
8
7.  Petioles at mid-stem 4-12 mm long; leaflets (12)16-30(40) mm wide, 1.7-3.5(5) times as long as wide; inflorescence of 2-10 flowers, axillary and terminal
7.  Petioles at mid-stem 0.1-2 mm long; leaflets 10-15(20) mm wide, 3-5 times as long as wide; inflorescence of 1-2(3) flowers, axillary
8.  Leaflets (3.5)4-9 cm long, (1.5)2-4.5 cm wide; inflorescence 5-15 cm long (incl. peduncle), of (5)7-22 flowers; mature fruit brown, 3-4 cm long, 1.8-3 cm wide
8.  Leaflets 2-6 cm long, 0.4-2 cm wide; inflorescence (12)15-50 cm long (incl. peduncle), of (8)10-50 flowers; mature fruit black or brown, 1-4 cm long, 0.7-3 cm wide
9
9.  Stem base 5-10(13) mm wide; distal stipules 3-10 mm long, 1-3 mm wide, proximal ones 30 mm long, 15 mm wide; leaflets 35-60 mm long, 10-20 mm wide, 2.2-4 times as long as wide; corolla 20-25 mm long; mature fruit 1-2.5(3) cm wide, black
9.  Stem base 4-6(7) mm wide; distal stipules 1-2 mm long, 0.5-1.1 mm wide; leaflets 20-70 mm long, 4-18 mm wide, 2.5-7.6 times as long as wide; corolla 14-18 mm long; mature fruit 0.7-0.9 cm wide, yellow-brown to brown
Genus Synonyms
Synonym Full Citation Basionym Type
Eaplosia Eaplosia Rafinesque, New Fl. 2: 51. 1837 ("1836"). TYPE: Non designatus.
Lasinia Lasinia Rafinesque, New Fl. 2: 48. 1837 ("1836"). TYPE: Non designatus.
Pericaulon Pericaulon Rafinesque, New Fl. 2: 50. 1837 ("1836"). TYPE: Non designatus.
Ripasia Ripasia Rafinesque, New Fl. 2: 48. 1837 ("1836"). TYPE: Ripasia coerulea (Moench) Rafinesque, nom. illegit. (Sophora coerulea Moench, nom. illegit.; Sophora australis Linnaeus)