Willow Identification Key: Salix purpurea

Common Name:

Purple osier

Scientific Name:

Salix purpurea

New Zealand Clones:

Female: Booth, PMC, Gracilis (Narrowleaf)
Male: Holland, Irette, Eugenei

Technical Description:

Habit: Large shrub or small tree, up to 8 m high, variable form erect to spreading, often with slender graceful branches.

Shoots: Grey-green to yellowish green, sometimes reddish or purplish when young, especially where exposed to the sun; slender, very tough and supple.

Leaves: 2.5-11 cm long, 0.5-2 cm wide; often opposite towards the tips of the shoot; linear to linear lanceolate, mostly broadening above the middle; dark glossy green above, glaucous or bluish green below; margins minutely toothed near tip; sometimes hairy when young, becoming hairless; bitter.

Catkins: Usually female; narrowly cylindrical, often curved, 2-4 cm long (female), 1.5-3 cm long (male); appearing before the leaves.

Comments: Mainly planted in the south of the North Island and in Canterbury. 'Booth' is a vigorous sterile female clone with stout upright branches, and is commonly used in river control plantings. Distinguished by having many leaves opposite or semi-opposite near shoot tips, and leaves being wider above the middle.

Salix purpurea 'Booth'
Salix purpurea 'Booth'
Salix purpurea 'Narrowleaf' a.k.a. 'Gracilis'
Salix purpurea 'Narrowleaf' a.k.a. 'Gracilis'
Salix purpurea habit
Salix purpurea habit
Salix purpurea 'Rubra' shoot detail. Note red stem due to exposure to sunlight (lower surface of stem will be green)
Salix purpurea 'Rubra' shoot detail. Note red stem due to exposure to sunlight (lower surface of stem will be green)
Detail of upper and lower leaf surfaces of (from left to right): Salix elaeagnos, S. purpurea 'Narrowleaf' aka 'Gracilis'. Salix pupurea 'Rubra', Salix purpurea 'Booth'
Detail of upper and lower leaf surfaces of (from left to right): Salix elaeagnos, S. purpurea 'Narrowleaf' aka 'Gracilis'. Salix pupurea 'Rubra', Salix purpurea 'Booth'
Salix purpurea 'Rubra' buds
Salix purpurea 'Rubra' buds
Salix purpurea 'Rubra' habit
Salix purpurea 'Rubra' habit