Billardiera longiflora is a species of flowering plant in the family Pittosporaceae and is endemic to Tasmania. It is a woody twiner or climber that has variably-shaped, often elliptic leaves, often varying with altitude, and greenish-yellow, pendent, tube-shaped flowers arranged singly and turning blue as they age. This species is often confused with the similar Billardiera macrantha of south-eastern Australia, including Tasmania.
Billardiera longiflora is a woody twiner or climber, its new shoots hairy, but become glabrous with age. Its adult are leaves variably shaped, at lower altitudes, narrowly egg-shaped with the narrower end towards the base, Шаблон:Cvt long and Шаблон:Cvt wide on a petioleШаблон:Cvt long. At higher altitudes, the leaves are almost linear, Шаблон:Cvt long and Шаблон:Cvt wide. The flowers are arranged singly on a pendent peduncleШаблон:Cvt long. The sepals are egg-shaped, Шаблон:Cvt long and purplish-blue. The petals are Шаблон:Cvt long, greenish-yellow, turning blue as they age, and joined at the base, the lobes spreading but not turned back. Flowering mostly occurs in summer and the mature fruit is a glossy purple berryШаблон:Cvt long, the seeds about Шаблон:Cvt long.[1]