Summer Wildflowers of Mount Holyokeby Karen Searcy
Collinsonia canadensis (Northern Horse-balm)
Flower coloryellow
Number of petals5
Petal fusionfused
Lea arrangementopposite
Leaf groupingsimple
Leaf marginstoothed
Leaf/leaflet shapeelliptic
Fruit typedry
Fruit colorbrown
Flowering datesAug
HabitatMoist woods
DescriptionPlant up to 2 feet tall with large, long stalked opposite leaves. The leaves have a lemony smell. The yellow flowers have two long stamens and a fringed lower lip and are produced on loose, terminal branched stalks.
Habit photoKBS
Flower photoKBS