Baptisia cinerea
Baptisia lecontei
grayhairy wild indigo
pineland wild indigo
blackening upon drying, petiolate;
stipules mostly deciduous, lanceolate, 10–30 mm;
petiole 5–14 mm;
leaflets 3, blades oval to broadly oblanceolate.
not blackening upon drying, petiolate;
stipules mostly deciduous, lanceolate, 2–10 mm;
petiole 2–10 mm;
leaflets 3, blades spatulate to obovate.
5–20-flowered, axillary, secund, bracteate, bracts deciduous.
3–10-flowered, flowers well spaced, terminal, bracteate, bracts persistent.
4–8 mm.
10–20 mm, bracteolate.
21–29 mm;
calyx 6–8 mm, glabrous or puberulent;
corolla yellow, 20–28 mm.
10–15 mm;
calyx 6–7 mm, lobes ± equal to tube, glabrous or pubescent;
corolla lemon yellow, 9–14 mm.
ascending, ovoid, 20–30 × 6–10 mm, papery to ± woody.
ascending, ovoid to suborbicular, 8–11 × 8–9 mm, abruptly short-beaked, somewhat woody.
2–4.
2–4.
Baptisia cinerea
Baptisia lecontei
Baptisia cinerea closely resembles B. bracteata; the floral bracts in B. cinerea are deciduous (versus persistent in B. bracteata), pedicels are shorter (4–8 versus 10–18 mm), legumes are smaller (2–3 versus 3–4 cm) with appressed (versus spreading) hairs, and leaflets are larger and readily blacken upon drying.
Baptisia cinerea and B. bracteata are essentially allopatric. Hybrids between B. cinerea and other species of Baptisia have not been reported; occasional hybrids between B. cinerea and others (for example, B. lactea) would not be surprising.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
As noted by D. Isely (1981), Baptisia lecontei superficially resembles B. tinctoria in having relatively small flowers, yellow corollas, and somewhat similar legumes. Baptisia tinctoria does not have the persistent, foliaceous bracts and bracteolate pedicels of B. lecontei.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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