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NZ Plants

Olearia solandri - coastal tree daisy

Daisy family: Asteraceae

Olearia solandri is a small shrub characterised by short, narrow leaves with a dense covering of hairs on the lower surface. The stem is square in cross section and young stems and leaves are covered with sticky hairs. Named after the Swedish botanist Daniel Solander who visited New Zealand on James Cook’s first voyage.
An endemic species found throughout the North Island and northern portion of the South Island, especially in coastal areas.

Vegetative characteristics

Reproductive characteristics

Plant form: shrub up to 5 m

Arrangement of parts: heads up to 1 cm with asymmetric ray florets and symmetric disk florets


Flower size: florets 2-3 mm diam. ray floret petal 15-25 mm long

Leaf form: undivided, linear-oblong

Sepals: 5

Leaf size: 5-10 mm

Petals: 5, white

Leaf arrangement: in opposite pairs or groups

Sexuality: ray florets are female; disk florets are bisexual

Leaf attachment:

Stamens: 5

Leaf margin: smooth, rolled under

Ovary: below petals

Leaf surface: hairs on undersurface

Fruit: dry