Pseudopanax arboreus
Five-Finger, Puahou
Family |
Araliaceae |
Genus |
Pseudopanax |
Species |
arboreus |
Category |
Woody |
Type |
Shrub (evergreen) |
Pronunciation |
USDA Hardiness Zone |
9 - 11 |
Canadian Hardiness Zone |
Cool season protection under glass. |
RHS Hardiness Zone |
H1c - H4 |
Temperature (°C) |
-4 - 10 |
Temperature (°F) |
25 - 50 |
Height |
3 - 6 m |
Spread |
4 - 5 m |
Landscape |
Specimen plant. |
Cultivation |
Full sun or partial shade with moist, well-drained soil. The soil should have a rich organic composition. In terms of reproduction, this species requires that male and female specimens be positioned within range of one another in order to produce fruit on the latter. |
Shape |
Rounded and bushy. Its typical stature ranges from 3 to 6 m. |
Growth |
Fast |
Pests |
Honey fungus. |
Habitat |
Sea level, mountainous terrains, lowland regions and edges of forests. |
Bark/Stem Description |
Brittle. |
Flower/Leaf Bud Description |
Rounded. |
Leaf Description |
Palmately compound with 5 - 7 leaflets exhibiting coarse serration along the margins. Ovate with smaller leaflets concentrated near the base of the petioles. Each leaflet is 15 - 20 cm in length. The petioles which support each individual leaflet are 3 - 5c m in length. |
Flower Description |
Manifest in groups of 10 - 15 on an umbel inflorescence. The tiny flowers are 5 mm in diameter and can smell sweet. |
Fruit Description |
Manifest in tight clusters, 5 - 8mm in diameter and 3 - 6 mm in length for female plants. Most seeds are found in pairs but occasionally may be 3 to a single berry. |
Colour Description |
The bark is brown in colour. The buds are reddish-pink colour. Shiny dark green leaflets. The flowers are whitish-pink in colour. The fruit is dark purplish-black. |
Texture Description |
Leather-like leaflets. |
Propagation |
Clean seeds can be sown in a greenhouse with moderately high temperatures (19° - 24° C in autumn). Seeds should be kept in their own pot in a greenhouse for the first winter. Young plants can be moved at the end of spring or early summer, provided that no further frost is anticipated. Semi-hard cuttings can be take during the winter and set into a frame. Air layering is also recommended. |
Ethnobotanical Uses (Disclaimer) |
The bark has been used on occasion to create small raft-like floats or skids for hauling materials. |