2. Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. (small-flowered fiddleneck)

Echium menziesii Lehm.

A. retrorsa Suksd.

A. micrantha Suksd.

Map 1286, Pl. 305 d–f

Stems 10–60 cm long, densely pubescent, with the longer, bristly hairs 1.5–2.5 mm long. Leaves 1–7 cm long, 3–8 mm wide. Inflorescences elongating to 3–12 cm long. Flower stalks 1–2 mm long. Calyx lobes 5, 3–5 mm long, 1.0–1.5 mm wide, more or less similar in width. Corollas 4–6 mm long, light yellow, the tube 3–5 mm long, with 10 faint nerves below the midpoint, the throat without scalelike appendages, often with reddish lines or streaks, the lobes 0.8–1.2 mm long. Stamens attached near the tip of the tube, the filaments 0.2–0.3 mm long, anthers 0.4–0.6 mm long. Style 2.0–2.5 mm long. Nutlets 2–3 mm long, 1–2 mm wide, the surface warty or somewhat wrinkled. 2n=16, 26, 34. May–July.

Introduced, uncommon and sporadic (western U.S. east to Idaho and Nevada, Alaska; Canada; introduced sporadically east to Maine and South Carolina). Railroads and open, disturbed areas.

The treatment of this species also includes plants reported by Mühlenbach (1979) as A. hispida (Ruiz & Pav.) I.M. Johnst., a South American taxon that Mühlenbach equated with A. micrantha.