Northern Prairie Wildlife Research Center
Aquatic and Wetland Vascular Plants of the Northern Great Plains
21. Salicaceae, the Willow Family
2. Salix L. -- Willow
18. Salix serissima (Bailey) Fern. -- Autumn willow
Shrub to 3 m tall; twigs gray to yellowish-brown, shiny, glabrous;
branchlets erect to spreading, yellow to dark brown, glabrous. Leaves
yellowish-green to green and semi-glossy above, white-glaucous beneath, glabrous,
elliptic-lanceolate, acute to short-acuminate at the tip, cuneate to narrowly
rounded at the base, 4-8 cm long, 1-2.5 cm wide, finely glandular-serrate;
petioles glandular at the summit, 0.5-1 cm long; stipules rarely
present, flabellate, 1.5 mm long, 2 mm wide, glandular-serrate. Catkins
emerging after the leaves; female catkins 2-4 cm long, on leafy branchlets
1.5-3 cm long; bracts deciduous, light yellow, pubescent; stamens 3-5
or more. Capsules ovoid with a long neck, 7-10 mm long, glabrous;
stipes 0.5-2 mm long. Flowering Jun--early Jul, fruiting late Jun--Aug.
Swamps, fens and bogs; uncommon in e and c ND and rare in the Black Hills; (Newf.
to Alta., s to PA, n OH, n IL, MN, ND, MT and CO).
Previous Species -- Salix pseudomonticola Ball
-- Serviceberry willow
Return to Family -- Salicaceae - The