Tinospora smilacina Benth.
Bentham, G. (1861) Journal of the Proceedings of the Linnean Society, Botany 5 20: 52. Type: Queensland, Plains of Promise in Eastern Australia, 29 Aug. 1856, D. Moore, s.n. Holo: K.
Snake Vine; Snakevine; Tinospora Vine; Vine, Tinospora; Vine, Snake
Vine stem diameters to 7 cm recorded.
Male flowers: Sepals six, in two whorls of three. Outer sepals about 0.5 mm long, much smaller than the inner sepals which are about 3-5 mm long. Petals six, gland-like, about 2 mm long, much smaller than the sepals in the inner whorl, petals half enveloping the staminal filaments. Stamens six, about 5-7 mm long. Pollen yellow. Female flowers: Flowers about 4-6 mm diam. Sepals six, in two whorls of three, outer sepals about 2 mm long, inner sepals petaloid, about 4.5 mm long. Petals six, obovate, about 1-2 mm long. Staminodes three to six, opposite the petals, about 1.6 mm long. Ovaries three, borne on a column in the centre of the flower. Each ovary about 1.5-2 mm long, stigma sessile, wig-like. Ovules 1 per ovary.
Cotyledons ovate, blades about 32-43 x 14-25 mm, apex acute or obtuse, base truncate, petioles about 7-8 mm long. Cotyledons glabrous, 3-veined. First leaves cordate, about 6-7 x 4-5 cm, apex acuminate, base cordate, petioles about 4-6 cm long. Venation distinctive with the midrib and 4 lateral veins radiating from the base. At the tenth leaf stage: leaf blade cordate, apex acuminate, base cordate. Petiole at least half as long as the leaf blade. Taproot thick and carrot-like (Daucus carota). Seed germination time 18 to 321 days.
This species may have medicinal properties. (http://www.publish.csiro.au/journals/ajc/recent/t oc/v51n12.html)
This plant used medicinally by Aborigines. Cribb (1981).