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NZ Plants

Clematis forsteri - pikiaro, Forster's clematis

Buttercup family: Ranunculaceae

Clematis forsteri is a woody perennial climber with leaves divided into three leaflets. Leaflets may have smooth margins or are deeply toothed and are lacking hairs. Named after the German naturalists, Johann R Forster (1729-1798) and his son, Johann Georg Adam Forster (l754-1794) who accompanied Cook on his second voyage to New Zealand in 1773.
An endemic species found throughout New Zealand.

Vegetative characteristics

Reproductive characteristics

Plant form: vine

Flower symmetry: symmetric


Flower size: 10-50 mm diam.

Leaf form: divided into three lanceolate-triangular parts

Sepals: 5-8, white

Leaf size: leaflets 1.5-2 cm

Petals:  0

Leaf arrangement: opposite

Sexuality: unisexual on different plants

Leaf attachment:

Stamens: numerous

Leaf margin: toothed; juvenile lobed

Ovary: above sepals

Leaf surface: hairless

Fruit: dry