Baptisia bracteata
cream wild indigo, long-bract wild indigo, plains wild indigo
deflexed in flower.
petiolate;
stipules persistent, ovate to lanceolate, 10–30 mm;
petiole 5–14 mm mid stem;
leaflets 3, blades elliptic to oblanceolate or broadly lanceolate to cuneate-obovate.
8–30-flowered, axillary, ascending to horizontal, secund, bracteate, bracts persistent.
10–18 mm.
20–25 mm;
calyx 8–12 mm, glabrous or puberulent;
corolla cream or pale yellow, 18–23 mm.
ascending, ellipsoid-lanceoloid to lanceoloid, 30–45 × 15–20 mm, ± papery, puberulent to glabrate.
20–50.
= 18.
Baptisia bracteata
Baptisia bracteata is very similar to B. leucophaea; it has mid stem leaves with longer petioles (5–14 versus 1–4 mm) and shorter flowering pedicels (10–18 versus 25–40 mm).
Baptisia bracteata forms hybrids and backcrosses with B. lactea and perhaps other species with which it might co-occur. No doubt such intermingling accounts for the exceptional variation found in B. bracteata (R. L. Wilbur 1963c).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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