SelecTree: Tree Detail
Photo Locations: Maui and Kona, HI, Tropical Gardens of Maui - HI and Foster Botanical Garden - Honolulu, HI
Utility friendly tree.
Many of the twenty-eight species of Ptychosperma readily hybridize, making their identification difficult. This species is usually clustering and branched from the ground, whereas the solitaire palm (P. elegans) has a solitary trunk. This is the most commonly grown Ptychosperma in Hawai'i. It grows well in full sun, with plenty of water and well-drained, rich soil. The fruit flesh can cause skin irritation, and the apical buds of some species are eaten, like palm hearts, in their native range. Ptychosperma macarthurii has a HPWRA (Hawai'i Pacific Weed Risk Assessment) score of 4 (Evaluate).
Native to New Guinea and Australia.
Additional Common Names
MACARTHUR PALM, CLUSTER PALM, HURRICANE PALM, MACARTHUR FEATHER PALM
Erect with a High Canopy.
Has Evergreen foliage.
Height: 10 - 25 feet.
Width: 6 - 15 feet.
Growth Rate: 24 Inches per Year.
Leaves Pinnately Compound, Green, No Change, Evergreen.
Green or White.. Has perfect flowers (male and female parts in each flower).
Red Drupe, Medium (0.50 - 1.50 inches).
Bark Dark Gray, Light Gray or Green, Rough or Smooth.
Shading Capacity Rated as Moderately Low in Leaf.
Tree Site Conditions & Constraints
Sunset Zones 23 - 24; H1, H2.
USDA Hardiness Zones 10 - 11.
Exposure Full Sun to Partial Shade.
Well Drained Soil.
Loam or Sand Texture.
Slightly Acidic to Neutral Soil pH.
Seaside Tolerance is Good in South Coast.
Pests & Disease Information
Resistant to Texas Root Rot.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Low.
Special Uses & Values
Cite this tree:
SelecTree. "Ptychosperma macarthuri Tree Record." 1995-2020. Aug 14, 2020.
< https://selectree.calpoly.edu/tree-detail/ptychosperma-macarthuri >