Collinsonia canadensis

Common Name: 
horsebalm, stoneroot, richweed
Scientific Name: 
Collinsonia canadensis
Family Name: 
Lamiaceae (Labiatae) - Mint Family
Identification Notes
Life Cycle
native perennial, reproducing by creeping roots
Stems
upright, stout, branched, square, smooth and often hairy above
Stems of Horsebalm
Stems of Horsebalm
Stems of Horsebalm
Leaves
opposite, ovate to ovate-oblong with rounded to nearly heart-shaped bases, pointed, petioles short, margins coarsely toothed, lemon scented when crushed
Leaves of Horsebalm
Leaves of Horsebalm
Flowers
pale yellow, small, 2-lipped - upper three lobed and lower longer and fringed, stamens protruding, lemon-scented; terminal cluster, pyramidal, loose and branched
Flowers of Horsebalm
Flowers of Horsebalm
Flowers of Horsebalm
Flowers of Horsebalm
Flowers of Horsebalm