Wildflowers of Toronto's High Park​​

Celandine, greater 
​Chelidonium majus

​Family: Poppy 

Introduced and somehwat invasive
Biennial

Blooms: Spring thru summer
Habitat: Moist forests

​Height: up to 80 cm.
​Width of flower: 2 cm
​Flowers arranged in clusters.

​If stem is broken, it exudes a bright orange juice which is irritating to the skin.

Fruit: A smooth capsule 3-5 cm


















 

​Seeds dispersed by ants.
See  Myrmecochery

The plant also reproduces vegetatively, i.e.a leaf in the soil sprouts roots and stems. Small colonies can develop in this way.