Weeping Willow

Salix babylonica

Habitat: Tall Grass Prairie, Eastern Deciduous Forest

Seasons: Spring through late fall

Active Chemical Ingredient

Salicylic Acid

https://en.wikipedia.org/wiki/Salicylic-Acid

Use of specimen: When the inner bark is chewed it acts like a pain killer and an anti-inflammatory 

Source: https://umm.edu/health/medical/altmed/herb/willow-bark