stem
Cirsium arvense. Although the leaf margins are spiny, the leaf blade is rarely decurrent along the stem and thus the stems tend not to be spiny.
21st century (2010). Photo Matt Lavin from Bozeman, Montana, USA
Other illustrations
Chaume de blé
854France, 20th century (1922). Larousse agricole, dir. E. Chancrin, R. Dumont, vol. 1, 1922.
Portion de tige ou chaume de seigle
854Paris, 19th century (1862). J. Decaisne, C. Naudin, Manuel de l’amateur des jardins, traité général d’horticulture, vol. 1, Paris, 1862.
