Key to Tasmanian Dicots
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Isophysis (formerly known as Hewardia; Iridaceae) 4b:401
Isophysis tasmanica is a common native herb of alpine and subalpine areas of western and southern Tasmania, where it grows in sedgeland and herbfield. Like many irises they are tufted plants, with the stems flattened and the leaves in two rows. The plants are relatively small (up to about 30cm tall), but the flowers are large and distinctive. They are usually dark purple (almost black), though occasionally yellow, with widely spreading, narrow petals and sepals 5 or 6 cm long.
 

 
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