Disseminule: Fruit (referred to as achene or seed unit) pictured with persistent floral parts
Description:
Achene appendages: Spines
Achene Colour: Reddish brownAchene Length: 1.1 - 2mm
Achene Sculpture: Enclosed in persistent hardened perianth - Papillate, TuberculateAchene Shape: Angulated, Florate
A variable species - smooth when not enclosed in perianth