`Ohe Mauka / Center For Plant Conservation
Search / Plant Profile / Polyscias oahuensis
Plant Profile

`Ohe Mauka (Polyscias oahuensis)

Flower buds or fruit, round & smooth with burgundy tips, on tree Photo Credit: Waimea
  • Global Rank: G3 - Vulnerable
  • Legal Status: N/A
  • Family: Araliaceae
  • State: HI
  • Nature Serve ID: 136425
  • Date Inducted in National Collection: 05/28/1986

The most variable species of this endemic genus, Tetraplasandra oahuensis has large pinnate compound leaves with 7 to 15 leaflets, the lowest opposite pair usually smaller than the rest. Leaf surfaces are dull. The petiole is about the same length as the rachis. Sap is clear. The black to purple fruits are presented on umbels for bird dispersal.

Where is `Ohe Mauka (Polyscias oahuensis) located in the wild?


Mesic to wet forest, 240-1,520 meters elevation (Wagner et al 1999).


On all main islands except Ni`ihau and Kaho`olawe (Wagner et al. 1999).

States & Provinces:

`Ohe Mauka can be found in Hawaii

Which CPC Partners conserve `Ohe Mauka (Polyscias oahuensis)?

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

Nature Serve Biotics
  • 05/02/2017

David Orr
  • 01/01/2010

Habitat destruction. Weed competition

David Orr
  • 01/01/2010

None known.

David Orr
  • 01/01/2010

Seed storage protocols. Much taxonomic research is needed.


Be the first to post an update!

Taxon Polyscias oahuensis
Authority (A. Gray) Lowry & G.M. Plunkett
Family Araliaceae
CPC Number 13631
ITIS 822367
Common Names Ohe mauka
Associated Scientific Names Tetraplasandra oahuensis | Polyscias oahuensis
Distribution On all main islands except Ni`ihau and Kaho`olawe (Wagner et al. 1999).
State Rank
State State Rank
Hawaii S3
Ecological Relationships


Donate to CPC to Save this Species

CPC secures rare plants for future generations by coordinating on-the-ground conservation and training the next generation of plant conservation professionals. Donate today to help save rare plants from extinction.

Donate Today