Willow Identification Key: Salix viminalis

Common Name:

Basket willow, common osier, hemp willow

Scientific Name:

Salix viminalis

New Zealand Clones:

Female: NCCB, Bowles
Male: Praecox, Black Osier, M, Gigantea and Salix kinuyanagi (aka Salix viminalis Kinuyanagi)

Technical Description:

Habit: Shrub or small tree, up to 8 m high, with several upright stems.

Shoots: Green to yellowish green, sometimes yellowish brown to reddish brown; densely hairy at first, becoming hairless later; long, straight and flexible.

Leaves: Rather erect, 6-18 cm long, 0.5-2 cm wide; linear to lanceolate; not toothed; dark shining green above, usually covered with whitish or greyish silky down; not bitter.

Catkins: Male and female; cylindrical, 1.5-5 cm long; appearing before or as leaves emerge.

Comments: The most common species of osier willow in New Zealand. Widely planted for riverbank protection and common on lakesides and riverbeds from Hawkes Bay southwards. Distinctive leaves with toothless, inrolled margins. Used for basket making. Most common cultivars are Salix viminalis Gigantea and Salix kinuyanagi (aka Salix viminalis Kinuyanagi).

Salix kinuyanagi foliage - underside of leaves
Salix kinuyanagi foliage - underside of leaves
Leaves of Salix kinuyanagi (left) and Salix viminalis 'Gigantea' (right)
Leaves of Salix kinuyanagi (left) and Salix viminalis 'Gigantea' (right)
Leaf detail of Salix kinuyanagi (left) and Salix viminalis 'Gigantea' (right) Note smooth leaf margins.
Leaf detail of Salix kinuyanagi (left) and Salix viminalis 'Gigantea' (right) Note smooth leaf margins.
Shoots of Salix kinuyanagi (left) and Salix viminalis 'Gigantea' (right)
Shoots of Salix kinuyanagi (left) and Salix viminalis 'Gigantea' (right)
Salix kinuyanagi in the stool bed
Salix kinuyanagi in the stool bed