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Persoonia (family (Proteaceae) A genus of small, xerophytic (see XEROPHYTE) trees and shrubs which have entire, alternate leaves. The yellow or white flowers are bisexual, solitary, and axillary or in short racemes. The calyx is often cylindrical. The fruit is a drupe with 1 seed, a juicy exocarp (see PERICARP), and a hard, thick endocarp. There are about 60 species, confined to Australia and New Zealand.