Questions? AskAuckland

NZ Plants

Pterophylla [Weinmannia] racemosa - kamahi, tawhero, tawherowhero

Family: Cunoniaceae

Weinmannia racemosa is a large tree, often with several trunks, and dark green undivided leaves. Juveniles have leaves that are divided into three leaflets which is reduced to one red veined, toothed leaf as adult foliage is achieved. The tiny white flowers are in erect spike-like clusters.  A genus of about 150 species restricted to the Southern Hemisphere with two species present in New Zealand. Named after the German botanist, Johan Wilhelm Weinmann (1683-1741)
An endemic species widespread throughout New Zealand.

Vegetative characteristics

Reproductive characteristics

Plant form: tree up to 26 m

Arrangement of parts: symmetric


Flower size: 2-5 mm diam.

Leaf form: undivided, ovate to oblong; juvenile divided into 3-5 leaflets

Sepals: 4-5

Leaf size: 2-10 cm; juvenile with 1-4 cm leaflets

Petals: 4-5, white

Leaf arrangement: opposite pairs along the stem

Sexuality: bisexual

Leaf attachment: stipule

Stamens: 8-10

Leaf margin: toothed

Ovary: above petals

Leaf surface: hairs

Fruit: dry