Heather Angel / Sichuan pepper (Zanthoxylum bungeanum) branch with fruit.Sichuan, China. July.

Enrique Lopez-Tapia / Fresh vegetable stall, including daikon, tomatoes, carrots and peppers. Tromsikhang Market, old quarter of Lhasa, Tibet, China.

Philippe Clement / Chinese prickly-ash (Zanthoxylum simulans) close-up of spines on tree trunk. Native to China and Taiwan.