Digitalis lutea
Sp. Pl. 2: 622. 1753.
Stems 50–80 cm, glabrous. Leaves: blade oblanceolate to narrowly lanceolate, 7–18 × 2–4 cm, margins serrate. Inflorescences secund, glabrous; bracts 5–15 mm. Pedicels spreading to slightly pendent, 3–4 mm, glabrous or sparsely pilose. Flowers: sepals lanceolate, 6–8 × 2–3 mm, glabrous or sparsely glandular; corolla tube pale yellow, tubular-funnelform, 13–15 mm, throat 5–7 mm diam., abaxial lip pendent or spreading, pale yellow, lingulate, 4–5 mm. Capsules ovoid-conical, 8–12 mm, glabrous. Seeds brown, prismatic, 1 mm, reticulate-alveolate. 2n = 56 (Europe).
Phenology: Flowering Jun–Jul.
Habitat: Disturbed sites, roadsides.
Elevation: 0–1000 m.
Distribution
B.C., Que., Conn., Md., Mass., Mich., N.H., N.Y., Ohio, Pa., Vt., Europe, introduced also in South America, Asia.
Discussion
Digitalis lutea is easy to grow and is distinguished by its relatively small, tubular-funnelform flowers.
Selected References
None.