Baptisia tinctoria

(Linnaeus) R. Brown in W. Aiton and W. T. Aiton

Hortus Kew. 3: 6. 1811.

WeedyEndemic
Basionym: Sophora tinctoria Linnaeus Sp. Pl. 1: 373. 1753
Synonyms: Baptisia gibbesii Small B. tinctoria var. crebra Fernald B. tinctoria var. gibbesii (Small) Fernald B. tinctoria var. projecta Fernald
Treatment appears in FNA Volume 11.

Herbs erect, to 1 m, glabrous. Leaves shortly petiolate or sub­sessile; stipules deciduous, minute; leaflets 3, blades obovate-cuneate to spatulate. Racemes 6+-flowered, terminal, long-exserted, brac­teate, bracts caducous. Pedicels 3–5 mm. Flowers 14–18 mm; calyx 4–5 mm, glabrous or glabrate; corolla yellow, 12–16 mm. Legumes exserted-stipitate, erect, ovoid to ellipsoid, 8–15 × 5–9 mm, ± woody. Seeds 6–8. 2n = 18.


Phenology: Flowering May–Jul.
Habitat: Open, deciduous or pine wood­lands.
Elevation: 10–700 m.

Distribution

Ont., Conn., Del., Ga., Ind., Ky., Maine, Md., Mass., Mich., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.

Discussion

Baptisia tinctoria forms hybrids with B. alba (= B. × serenae M. A. Curtis), B. lactea (B. × deamii Larisey), and B. perfoliata (B. × fulva Larisey [= B. × microphylla Nuttall]). Within Baptisia, B. tinctoria and the unifoliolate-leaved species form an isolated clade (M. G. Mendenhall 1994).

Selected References

None.

Lower Taxa

None.
... more about "Baptisia tinctoria"
Billie L. Turner† +
(Linnaeus) R. Brown in W. Aiton and W. T. Aiton +
Sophora tinctoria +
Ont. +, Conn. +, Del. +, Ga. +, Ind. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
10–700 m. +
Open, deciduous or pine woodlands. +
Flowering May–Jul. +
Hortus Kew. +
Weedy +  and Endemic +
Baptisia gibbesii +, B. tinctoria var. crebra +, B. tinctoria var. gibbesii +  and B. tinctoria var. projecta +
Baptisia tinctoria +
Baptisia +
species +