Grevillea robusta (Silk Oak) is a species of tree in the family Proteaceae. They have a self-supporting growth form. They are native to The Hawaiian Islands. They have simple, broad leaves and yellow flowers. Flowers are visited by Great-tailed Grackle, Gray-headed Flying Fox, and Cape Weaver. Individuals can grow to 105 feet.
EOL has data for 82 attributes, including: