Asperula occidentalis, Rouy

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 : 10

30. A. occidentalis Rouy , FZ. Fr. 8: 60 (1903).

Laxly caespitose, green, with creeping, subterranean, orange stolons. Stems 3—16(—35) cm, procumbent-ascending, herbaceous throughout, shortly hairy below, glabrous above; middle internodes 1—2(—3) times as long as the leaves. Cauline leaves 3-20 x 1-2 mm, oblanceolate to linear-lanceolate, acute, more or less fleshy; midrib comprising less than 0.5 of width of leaf; margin flat or slightly revolute; basal leaves broadly ovate. Inflorescence ovoid-corymbiform; flowers more or less glomerate, sessile. Corolla c. 3 mm, broadly infundibuliform, pink, somewhat rough outside; tube about equalling lobes; lobes obscurely appendiculate. Fruit 1 -5-2-2 mm, papillose. Maritime sands. • N. Spain, S. W. France, S. W. Britain, Ireland. Br Ga Hb Hs.

30 is not a hybrid between 31 and Galium arenarium , as was originally suggested. Intermediates between 30 and 31 evidently occur.