Receptacle narrow, with an awl-shaped prolongation in centre.
It is called 'echalotte' and has awl-shaped, hollow leaves, and purplish-yellow flowers, and very agreeable roots.
Petioles long with two awl-shaped stipules at the base, and a large violet spot in the axil.
The genus is characterized by awl-shaped spines which are distant at the base.
Styles 3, awl-shaped, diverging, tipped with simple stigmas.