Perennial herb, growing from an extensive rhizome. Stems mostly creeping or climbing, sometimes suberect, up to c. 50 cm long, mostly hairless (in this variety). Leaves in whorls of 4, elliptic to ovate, up to 22 × 10 mm, 3-veined; apex acute or with a short hyaline point; margin entire. Inflorescence broadly pyramidal or cylindric, many-flowered. Flowers 1.5-3 mm in diameter, greenish-white to yellowish. Fruit densely covered in white tuberculate hooked hairs.
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-17
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M.(2017). Flora of Zimbabwe: Species information: Galium thunbergianum var. thunbergianum. http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=156880, retrieved 30 April 2017