Salix lapponum

{{Short description|Species of shrub}}

{{Speciesbox

|image = Salix lapponum General view.JPG

|genus = Salix

|species = lapponum

|authority = L.

}}

Salix lapponum, the downy willow,{{BSBI 2007 |access-date=2014-10-17}}{{PLANTS|id=SALA21|taxon=Salix lapponum|accessdate=1 February 2016}} is a low, much-branched shrub having a wide distribution in Northern Europe, eastwards to the Altai and western Siberia, and is found as far south as the Pyrenees and Bulgaria. In Scotland, UK, it can be found on rocky mountain slopes and cliffs, generally at altitudes of {{convert|200-900|m|ft|abbr=on}}.Willows and Poplars of Great Britain and Ireland, BSBI Handbook No. 4; Meikle; 1984. It grows to a height of {{convert|1.5|m|ft|abbr=on}}.

As described in StaceNew Flora of the British Isles; Clive Stace; Third edition; 2011 printing. and BSBI Salix lapponum has the following characteristics:

• Twigs hairy at first, hairless and rather glossy dark reddish brown later.
• Leaves usually lanceolate to 7 cm long by 2.5 cm wide; slightly hairy to hairy on upper side; usually densely hairy on lower side; margins entire or subentire, sometimes a little undulate.
• Petiole short, occasionally up to 1 cm long but usually less than 5mm.

Salix lapponum Leaf upper side.JPG|Upper surface of leaf

Salix lapponum Leaf under side.JPG|Lower surface of leaf

Salix lapponum Twig.JPG|View showing twig and leaf petioles