Hawaii's Most Invasive Horticultural Plants

   
silk oak
Grevillea robusta

(Photo credit: copyright © 2001 by Shirley Denton, from Atlas of Florida Vascular Plants; used with permission)


Other names:she oak, he oak, silver oak, kahili flower, spider flower, ha'iku-ke'oke'o
Description: Tree up to 80' tall with 6-12" fern-like leaves and yellow-orange, horizontal flower clusters 3-5" long.
Risk areas: Dry and moist forests and open areas.

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