Plant: Dioecious tree (mature plants to 12 m) Leaves: leaves alternate, obovate, sandpapery, margins serrate Flowers: flowers small, in catkins, male catkins elongate, female catkins becoming thick and succulent in fruit Fruit: an aggregate berry turning purple. Notes: Both male and female flowers in calkins. Fruit like a blackberry with multiple achenes with in fleshy calyces.Major leaves are pinnately veined, others palmately veined. References: Hickman ed., The Jepson Manual. ASU specimans