Galium arenarium, Loisel.

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 : 23

34. G. arenarium Loisel. , FI. Gall. 85 (1806).

Stock with very long subterranean stolons. Stems glabrous or rarely with long hairs, procumbent, with numerous non-flowering branches; internodes 5-10(-20) mm. Leaves 3-8 x 1-3 mm, broadly lanceolate, with short, hyaline apiculum, fleshy, shining; midrib slender; margin flat, slightly scabrid. Inflorescence few-flowered, long and narrow, with very short branches; pedicels 1-3 mm, divaricate. Corolla 3-4 mm in diameter, yellow; lobes acute but not apiculate. Fruit c. 3 mm in diameter, globose, somewhat fleshy, rugose when dry. 2/z = 66. Maritime sands. • W. France, just extending into N. Spain. Ga Hs.

Intermediates between G. arenarium and G. album occur near the coast; they may be of hybrid origin and have been called G. neglectum Le Gall ex Gren. in Gren. & Godron, Fl. Fr. 2: 22 (1851) ( G. mollugo subsp. neglectum (Le Gall ex Gren.) Nyman ).