Description: Twining climbers.
Leaves alternate, stipules absent.
Flowers bisexual, axillary, usually solitary on long peduncles, bracts present near base. Sepals 5, imbricate, persistent. Petals 5, not persistent (caducous). Disc absent. Stamens numerous; filaments filiform, longer than anthers; anthers smooth, apiculate. Ovary ovoid, tapering to a thick style; stigma peltate.
Distribution and occurrence: World: 1 species, endemic to Australia.
Streptothamnus was previously included in Flacourtiaceae. Reference: K. Kubitzki, Berberidopsidaceae, in The Families and Genera of Vascular Plants Vol. 9: 33–35 (2007).
Text by G.J. Harden, Flora of New South Wales Vol. 1 (1990), in Flacourtiaceae. Revised May 2017.
Taxon concept: Australian Plant Census (accessed May 2017)