Galium tenuissimum, Bieb.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 36

141. G. tenuissimum Bieb. , Fl. Taur.-Cauc. 1: 104 (1808).

Stems 10-45 cm, rather stout, retrorsely aculeolate, not glabrescent above. Leaves 10-15 x 0-8-2 mm, in whorls of (6-)8-10, linear-lanceolate, glabrous or with short, scattered hairs above; margin not or slightly revolute, antrorsely scabrid. Inflorescence diffuse, ovoid to pyramidal; partial inflorescences usually with 7-11 (-14) flowers at the 2 nodes below the central flower; peduncles 5-15 mm, filiform; pedicels 3-15 mm, filiform, elongating and more or less divaricate after anthesis. Corolla 1-1-7 mm in diameter, greenish-yellow, glabrous or more or less hairy. Fruit c. 1 mm, hairy or glabrous, papillose. 2л = 22, 44. Dry, stony ground. E. & C. parts of Balkan peninsula, extending to W. Hungary and Krym. Bu Gr Hu Ju Rm Rs (W, K) Tu [Не]. ( W. & C. Asia.)