TROPICAL PLANT ENCYCLOPEDIA
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Paliurus spina christi, Paliurus aculeatus
Jerusalem ThornFamily: Rhamnaceae
Origin: Mediterranean region
USDA Plant Hardiness Zone Map
Shrub with branches provided with thorns. Clusters of yellow-greenish flowers. The fruit is a dry woody nutlet centred in a circular wing (in Chinese hat shape).
Link to this plant:
https://toptropicals.com/catalog/uid/paliurus_spina_christi.htm