DENDROCALAMUS asper : 30m x 30cm, -5°C ASPER  - Known as 'PRING BETUNG' in Indonesia. Grows to high altitudes and so can withstand some degrees of frost. Cultivated in many parts of SE Asia for its edible shoots, construction, & craft. The large culms are also used as outriggers on fishing boats. Known as 'PRING BETUNG' in Indonesia. Grows to high altitudes and so can withstand some degrees of frost. Cultivated in many parts of SE Asia for its edible shoots, construction, & craft. The large culms are also used as outriggers on fishing boats. Known as 'PRING BETUNG' in Indonesia. Grows to high altitudes and so can withstand some degrees of frost. Cultivated in many parts of SE Asia for its edible shoots, construction, & craft. The large culms are also used as outriggers on fishing boats.