Salix eriocephala Michx.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Shrub 2–4(–6) m, or sometimes arborescent; twigs, bud- scales, and petioles typically reddish-brown to dark brown, hairy when young; stipules semi-ovate to subreniform, 5–10(–15) mm, acutish, persistent; petioles 5–14 mm; lvs pubescent and reddish or purplish when young, later glabrous, typically oblong-lanceolate, serrulate, 7–12(–15) × 1.5–3(–4) cm, short-acuminate, rounded to subcordate at base, dark green above, ± glaucous beneath, rigid and veiny in age, catkins with or a little before the lvs, 2–5 cm, subsessile or on bracteate peduncles 3–10 mm; scales 1–1.5 mm, dark brown, crinkly-hairy; stamens 2; frs lance-ovate, 4–6 mm, glabrous; pedicels 1–2 mm; style ca 0.5 mm; 2n=38. Along watercourses and in lowlands; transcontinental, from Nf. and Que. to Va., w. to Yukon, B.C., and Calif.; disjunct in Ala., w. Ga., and w. Fla. (S. cordata Muhl., not Michx.; S. gracilis; S. lutea; S. missouriensis; S. rigida) Complex sp., probably consisting of several vars., but the limits of these not yet clearly understood.