large gray willow USDA PLANTS Symbol: SAAT2
U.S. Nativity: Exotic
Habit: Shrub or Subshrub Hardwood Trees
Salix atrocinerea Brot.
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Taxonomic Rank: Magnoliopsida: Salicales: Salicaceae
Appearance
Salix atrocinerea Salix cinerea is a is a small tree that can reach heights of about 9.8-39 ft (3-12 m) tall. It is generally branched from the base but can form a single trunk. It usually has a broad, rounded to flattened crown. The bark is yellowish to reddish and becomes fissured with age. It is native to Africa and Europe.
Foliage
The alternate leaves are bright green and shiny on the upper surface, with soft grey hairs on the underside. The leaves are elliptic to obovate, with finely denticulate or serrate margins.
Flowers
The flower are cylindrical catkins which appear before the leaves in spring. They are about 0.8-1.2 in (2-3 cm) long by 0.2-0.4 in (0.6-1 cm) wide with female catkins longer and narrower than male catkins.
Fruit
The fruits are small capsules from 0.2-0.4 in (5-9 mm) long. Fruits have two valves which contain many tiny wooly seeds.
Ecological Threat
S. atrocinerea readily invades riparian habits, brackish wetlands on coastland, wet forests, alpine bogs, as well as disturbed and undisturbed land on national park land and elsewhere. S. cinerea can grow on a wide range of soils. It can tolerate permanent water logging and a pH down to 3.5.
Selected Images from Invasive.orgView All Images at Invasive.org


Plant(s);
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
Foliage;
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
Foliage;
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
Foliage;
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage

Bark;
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
Stem(s);
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
Bark;
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
Stem(s);
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
Additional Resolutions & Image Usage
EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org 		 


State List
This map identifies those states that list this species on their invasive species list or law.

Invasive Listing Sources: