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The Large spiny tree fern (Cyathea spinulosa) belongs to Cyatheaceae (the Tree-fern family). It is an evergreen tree fern that is distributed to south-western Shikoku, southern Kyushu and Ryukyu islands, and Taiwan, southern and Eastsouth Asia, This fern grows in open woodlands and can reach up to 4 m in height. The rhizome is erect and the fronds are radiating on the top of rhizome. The frond are up to 2 m long. The petioles are purple-brown and have many spines and dark brown scales. In Taiwanese Chinese, it is called "台灣桫欏", and "桫欏" (suo luo) in Chinese.
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