synonym
A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...
''Cyathea sinuata'', is unique among the tree ferns in that it has entire leaves, not pinnate or lobed. It is native to
Sri Lanka
Sri Lanka (, ; si, ශ්රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...
but rare, being only known from one local forest area. It is one of the smallest species of tree ferns, growing only about one meter (3.3 feet) tall, with fronds 60 to 90 centimeters (15 to 23 inches) long.