Thermopsis macrophylla
Photographer: 
 Dieter Wilken
CPC Number: 
 15994
Mature plants can produce as many as 10 flowering stalks, each with 90-100 yellow flowers that can produce 6-8 seeds each, meaning that a full-grown plant can produce up to 8000 seeds a year.
 
Mature plants can produce as many as 10 flowering stalks, each with 90-100 yellow flowers that can produce 6-8 seeds each, meaning that a full-grown plant can produce up to 8000 seeds a year.