Galium corsicum, Sprengel

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 : 29

86. G. corsicum Sprengel , Syst. Veg. 4(2): 39 (1827).

Plant not black when dry, with or without stolons. Stems (5-)lO-2O(-3O) cm, slender, usually retrorsely aculeolate, rarely also with patent hairs or glabrescent. Leaves (5-)7-12(-18) x (0-8-)l-3-l-9(-2-3) mm, in whorls of (4—)6(—7), usually 5-7 (and never more than 9) times as long as wide, lanceolate, rarely linear; apex hyaline. Inflorescence somewhat depauperate, ovoid; pedicels 1-5-2 mm, becoming divaricate after anthesis. Corolla (1 -2-)l-5-2-5(-3) mm in diameter, purple, greenish, yellow or white; lobes with awn as long as lobe. Fruit 1-1-7 mm, more or less papillose. 2л = 22, 44. Dry places from the coast to the high mountains. • Corse, Sardegna. Co Sa.

A polymorphic species, probably with high polyploid populations in addition to the diploids and tetraploids.