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NZ Plants

Coprosma arborea - mamangi, tree coprosma

Coffee family: Rubiaceae

Coprosma arborea is a small tree with slender branches covered with fine hairs when young. Leaves have slightly wavy margins with a leaf stalk (petiole) that is winged in the upper portion. Stipules (appendages at the base of leaf stalks) are short and triangular with hairs and a prominent glandular tip (denticle) when young. Pits (domatia) are found on the underside of leaves where lateral veins join the midrib.
An endemic species found on the Three Kings Islands and the North Island south to Gisborne.
 

Vegetative characteristics

Reproductive characteristics

Plant form: tree up to 12 m

Flower symmetry: symmetric

 

Flower size: 2-3 mm diam.

Leaf form: undivided, ovate to broadly elliptic

Sepals: 4-5

Leaf size: 30-80  mm

Petals: 4- 5, green

Leaf arrangement: in opposite pairs along the stem

Sexuality: unisexual on different plants

Leaf attachment: stipules

Stamens: 4-5

Leaf margin: waved; fine teeth

Ovary: below petals

Leaf surface: hairless, with pores (domatia) on undersurface

Fruit: fleshy, white

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