Variation
var. nana
This male shrub is slow growing with ascending spreading branches and nodding branchlets attaining a height of 6m (20ft) in 40 years. The leaves are arranged radically and the female form produces excellent fruit.

There are many cultivars of this plant contact your local nursery for available varieties.
Cultivars
'Aurescens'
This male shrub is slow growing and forms a compact low habit to 300mm (1ft) tall by 1m (3ft) wide and produces yellowish leaves that mature to dark green in the following season. 

'Capitatia'
This upright conical tree can attain a height of 16m (50ft) but can be maintained smaller with regular pruning forming a compact habit.

'Densa'
This female dwarf shrub forms a compact mounded habit with upright stems and is suitable for small gardens.

'Expansa'
This shrub forms an open and spreading vase habit with a loose appearance.

'Minima'
This very slow growing dwarf shrub attains a height of 1.5m (5ft) tall by 3m (10ft) wide after many years forming an irregular dense habit.