Taiwan (台灣), Pingtung County (屏東縣), Hengchun Township (恆春鎮), Kenting National Park (墾丁國家公園), Kenting National Park: beside Teacher's Hotel (教師會館) on beach. Rampant climber over beach-side vegetation. Climbing to 30' in Casuarina trees. Sap milky, stems corky-herbaceous