Chondrilla juncea, L.

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 : 343

1. C. juncea L. , Sp. Pl. 796 (1753)

(inch C. acantholepis Boiss. , C. brevirostris Fischer & C. A. Meyer , C. canescens Kar. & Kir. , C. graminea Bieb. , C. latifolia Bieb. ).

Greyish-green biennial to perennial. Stems usually solitary, 50-100 cm, with numerous ascending branches, glabrous or with rigid hairs particularly below, sometimes with short appressed hairs. Leaves glabrous or with a few rigid hairs; basal 40-120 x 15-45 mm, soon withering, oblanceolate, more or less acute, deeply and irregularly runcinatedentate, narrowed to a short, winged petiole; lower cauline usually like basal, the remainder usually long-linear, sometimes lanceolate, entire or denticulate. Capitula numerous, with 9-12 florets, terminal, lateral or axillary, solitary or in groups of 2-5, sessile or with rather short peduncles. Involucre 9-12x2-5-5 mm; bracts linear-lanceolate, obtuse to subacute, glabrous or sparsely tomentose, sometimes with a row of rigid hairs on the median line, the inner 7-9. Achenes 8-10 mm; beak slender, about half as long as to longer than the body. 2л = 14+ IB, 30. Dry, open habitats. Europe northwards to N. France and S.C. Russia. Al Au BI Bu Co Cr Cz Ga Ge Gr He Hs Hu It Ju Lu Po Rm Rs (C, W, К, E) Sa Si Tu.

Variable in indumentum, size of cauline leaves and length of beak of achene.