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NZ Plants


Raukaua simplex - raukaua, haumakĊroa

Ivy family: Araliaceae

Raukaua simplex is a small tree with thick olive-green leaves. Leaves are usually undivided but occasionally may consist of 2-3 leaflets. There is a characteristic joint where the leaf stalk joins the leaf blade. Leaves of juveniles consist of 3-5  leaflets deeply incised into many lobes.
An endemic species found at higher elevations from just north of Auckland on the North Island to the lower elelvations on the South Island, Stewart Island and the Auckland Islands of the Subantarctic.
 

Vegetative characteristics

Reproductive characteristics

Plant form: shrub up to 8 m

Arrangement of parts: symmetric

 

Flower size: 3-4 mm diam.

Leaf form: of one lanceolate blade; juvenile of 3-5 leaflets

Sepals: 5

Leaf size: 2-12 cm

Petals: 5, green

Leaf arrangement: singly along stem

Sexuality: unisexual on same plant

Leaf attachment:

Stamens: 5

Leaf margin: toothed

Ovary: below petals

Leaf surface: hairless

Fruit: dry