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Northern Prairie Wildlife Research Center

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Aquatic and Wetland Vascular Plants of the Northern Great Plains

21. Salicaceae, the Willow Family

2. Salix L. -- Willow

12. Salix maccalliana Rowlee

Upright shrub mostly 1-2 m tall; twigs reddish-brown to purplish-brown, glabrous; branchlets spreading, yellowish to purplish-brown, glabrous. Leaves rather firm and leathery, dark green and glossy above, somewhat paler (but not glaucous) and conspicuously reticulate beneath, glabrous, elliptic-lanceolate to oblanceolate, acute to short-acuminate at the tip, acute to obtuse at the base, mostly 4-8 cm long, 12-25 mm wide, the margins glandular-serrate; petioles glandless, 4-10 mm long; stipules lacking. Catkins emerging with the leaves; pistillate catkins on short, leafy branchlets; bracts persistent, dark brown to yellowish, pubescent on the back, especially toward the base; stamens 2. Capsules elongate-conic, 8-10 mm long, gray-tomentose; stipes 1-2 mm long. Flowering May, fruiting Jun. Swamps and bogs; rare, with one record from Bottineau Co., ND; (Que. to Alta., s to n ND and s B.C.).
GIF- Distribution Map

Map key

Previous Species -- Salix lutea Nutt. -- Yellow willow
Return to Family -- Salicaceae - The Willow Family
Next Species -- Salix pedicellaris Pursh -- Bog willow

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