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Pseudopanax arboreus

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Title: Pseudopanax arboreus  
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Pseudopanax arboreus

Five Finger
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Apiales
Family: Araliaceae
Genus: Pseudopanax
Species: P. arboreus
Binomial name
Pseudopanax arboreus
(L.f.) Philipson
Pseudopanax arboreus or Five Finger (Māori: 'Puahou' or 'Whauwhaupaku'), is a New Zealand native tree belonging to the family Araliaceae. It is one of New Zealand's more common native trees, being found widely in bush, scrub and gardens throughout both islands. The compound leaves with five to seven leaflets, hence the common name, are very characteristic of the tree and easily recognized.

Closely related and very similar to Five Finger are P. laetus, P. colensoi and P. macintyrei.

Description

Leaflets obovate-oblong to oblong-cuneate, thinly coriaceous, coarsely serrate-dentate. Flowers usually unisexual; inflorescences are compound umbels with 8-20 primary branchlets up to 10 cm long, 15-20 secondary rays, umbellules with 10-15 flowers in each. Calyx truncate or obscurely 5-toothed; flowers 5mm in diameter, sweet-scented; petals 5, white to pink flushed, ovate to triangular, acute; stamens 5; ovary 2-loculed, each containing 1(-2) ovules; style branches 2, spreading. Fruit fleshy, very dark purple, laterally compressed, 5-8 mm diam.; style branches retained on an apical disc. Seeds 2(-3) per fruit, wrinkled, 3-6 mm long.

References

  • New Zealand Plant Conservation Network, URL:Pseudopanax arboreus. Accessed 2010-10-04.
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