Petermannia is the sole genus of plants in the family Petermanniaceae.[1] Petermannia cirrosa, the only species in the genus, is endemic to the states of New South Wales and Queensland in Australia. it is a prickly, wiry stemmed vine which grows to 6 metres in height and has lancelote, ovate or elliptic leaves with an acute apex.[1] The flowers, which appear during summer, have reflexed reddish green or white tepals. These are followed by rounded red berries.[1]