Salix ×pendulina Wenderoth: Weeping willow, S. babylonica × S. euxina, introduced from Europe and grown throughout the world. It characterized by: trees, 2.5–12 m, stems pendulous; branches highly brittle at base, yellowbrown, gray-brown, or redbrown; branchlets yellowish to brownish; stipules foliaceous on late leaves; petioles glabrous, pilose, or velvety to glabrescent adaxially; largest medial blade amphistomatous or hypostomatous, very narrowly elliptic to lanceolate, or linear, margins serrulate, irregularly so, or spinulose-serrulate, abaxial surface glaucous, adaxial slightly glossy or dull; catkins on distinct flowering branchlet, 3–14 mm; staminate loosely flowered, stout, 16–34 × 7–11 mm; pistillate densely or moderately densely flowered, slender or stout, 20–36 × 3.5–11 mm; pistillate bract persistent after flowering; staminate abaxial and adaxial nectaries connate and shallowly cupshaped; stamens 2; anthers 0.5–0.6 mm; pistillate nectary longer than stipe; stipe 0 mm; styles 0.2–0.6 mm; ovules 4–8 per ovary; capsules 1.8–3.5 mm.
Introduced; Ont., Calif., Conn., D.C., Ga., Ill., Ind., Maine, Md., Mass., Mich., Mo., Nebr., N.J., N.Mex., N.Y., N.C., Ohio, Oreg., Pa., Tex., Va., Wash., W.Va.
Reports of this hybrid in British Columbia and California are undocumented. Plants of Salix ×pendulina with prominent, caudate stipules are var. blanda (Andersson) Meikle; those with ovaries with patchy or streaky hairiness are var. elegantissima (K. Koch) Meikle.