(modifié de Coste, Flore de la France 1937) :
Plante annuelle entièrement pubescente, visqueuse, [odeur désagréable]; tige de 30-60 cm, dressée, rameuse.
Écologie : (répartition d'après la flore) Sables, bois sablonneux dans presque toute la France.
Répartition hors de France : Europe, Asie Mineure.
(modified from Butcher, British Flora 1961):
NOTE: the French text is more complete and up-to-date
A hairy, viscid, unpleasantly scented, branched annual with stems 15-30 cm high.
Ecology UK: (distribution according to flora) It is found frequently on tips, ash heaps and similar waste places in the more populated parts of the British Isles.
France:
Distribution outside France: ?
Fleurs : inflorescences jamais unilaterales ; jaunes, ligules courtes et roulées en dehors. involucre cylindrique pubescent, glanduleux, à folioles à pointe brune, muni d'un calicule à folioles lâches, égalant le tiers ou la moitié de l'involucre;
Floraison France : Juillet-septembre.
Flowers: heads about 6 mm diam., in lax, many-headed corymbs; involucral bracts linear-lanceolate, acute, glandular, reflexed in fruit; ray florets at first spreading, later recurved, ligule 6 mm long; disc florets 5 mm long, tubular, all yellow;
Flowering UK: Mid June-late Sept.