(modifié de Coste, Flore de la France 1937) :
Glandes en croissant ; capsules lisses ; bractées libres, pas soudées
Plante vivace de 20-50 cm, glabre, à souche rampante-stolonifère à tiges herbacées, dressées, portant de nombreux rameaux stériles et florifères;
Écologie : (répartition d'après la flore) Lieux cultivés et incultes, surtout calcaires, dans toute la France.
Répartition hors de France : Europe presque entière.
(modified from Butcher, British Flora 1961):
NOTE: the French text is more complete and up-to-date
Glands form crescents; smooth capsules; bracts free, not fused
A rather slender, bushy, glabrous perennial with many erect, branched stems 15-30 cm high, growing from a short, creeping rhizome. [Sterile unbranched shoots due to fungal infection].
Plant with barren, leafy shoots growing from, or additional to, the flowering stem;
Ecology UK: (distribution according to flora) It occurs rather frequently as a casual weed, particularly in E. England, and it may be native in chalk grassland and scrub in some places
France:
Distribution outside France: ?
Fleurs : ombelle à rayons nombreux et grêles ; bractées largement ovales-triangulaires [jaunes] ; glandes en croissant, à cornes courtes;
Floraison France : Avril-septembre
Flowers: Inflorescence of 10-15 rays, compact and much longer than the subtending leaves; outer bracts linear, inner rhomboidal; flower heads rather small. Flowers 2.5 mm diam., yellow-green; involucral glands ovate, with very short horns.
Flowering UK: Late May-early Aug.