Baptisia nuttalliana

Small

Fl. S.E. U.S., 599. 1903.

IllustratedEndemic
Basionym: Baptisia confusa Pollard & C. R. Ball Proc. Biol. Soc. Wash. 13: 158. 1900 [
Treatment appears in FNA Volume 11.

Herbs compact, to 1 m, glabrate to puberulent. Leaves sessile or subsessile; stipules caducous, small; leaflets 3, blades elliptic to obovate. Racemes 1(–3)-flowered, solitary or clustered, axillary, ebracteate. Pedicels 2–5 mm. Flowers 17–22 mm; calyx 5–8 mm, pubescent; corolla yellow, 15–20 mm. Legumes ascending, ovoid, 8–14 × 8–12 mm, ± woody. Seeds 8–12. 2n = 18.


Phenology: Flowering Apr–May.
Habitat: Oak and pine-oak forests, dry sandy soils.
Elevation: 20–300 m.

Distribution

Ark., La., Miss., Okla., Tex.

Discussion

Baptisia nuttalliana forms occasional hybrids with B. lactea, B. leucophaea, and B. sphaerocarpa, especially in eastern Texas where these taxa are sympatric.

Selected References

None.

Lower Taxa

None.
... more about "Baptisia nuttalliana"
Billie L. Turner† +
Baptisia confusa +
Ark. +, La. +, Miss. +, Okla. +  and Tex. +
20–300 m. +
Oak and pine-oak forests, dry sandy soils. +
Flowering Apr–May. +
Fl. S.E. U.S., +
Illustrated +  and Endemic +
Papilionoideae de +
Baptisia nuttalliana +
Baptisia +
species +