Swaziland's Alien Plants Database

Populus alba var. alba

SALICACEAE

Invasive, Potential problem species

Origin: Europe, Asia and North Africa

Growth Form: Tree

Plant Description: Plant: Deciduous tree 6–16(–25) m high, suckering freely; bark white or grey with horizontal lines, becoming rough and darker with age; buds and young twigs thickly, white woolly. Leaves: Dark green and shiny above, white- or grey-woolly beneath; leaves of sucker shoots and ends of long shoots: large, to 100 mm long, ± triangular, three- to five-lobed or unevenly toothed, woolly beneath; leaves of short shoots: smaller, 30–50 mm long, ovate, more evenly toothed, persistently woolly beneath. Flowers: Greenish-yellow catkins (female only), ± 50 mm long, spring. Fruit: None.

Key Features:

Control:

Comments: Suspected/Possible

More information:
Plant Conservation Alliance - Alien Plants Fact Sheets