Life … Plants Vascular Plants Dicots Maples, Mangos, Mahogany, Citrus, and Allies Citrus Family Prickly-ashes Hawai'i Prickly-Ash species 12 observations Hawai'i Prickly-Ash Zanthoxylum hawaiiense Field notes Key traits Layer Trees Plant type Perennial Shrub Tree From USDA PLANTS. Close