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richweed
Scientific Name: Collinsonia canadensis
Family: Lamiaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names: WI (Canada horse-balm)
Collinsonia canadensis: An Overview
Collinsonia canadensis, commonly known as Canada Horsebalm or Richweed, is a perennial herb belonging to the mint family.
Considerations for Pets
- This plant has a strong scent, which may be attractive or repulsive to some animals.
Considerations for Children
- The leaves of this plant have serrate (pointed) edges.
Taxonomy and Nomenclature
- Scientific Name: Collinsonia canadensis L.
- Family: Lamiaceae (or Labiatae), the mint family.
- Group: Dicot
- Synonyms: Collinsonia cuneata, Collinsonia decussata.
- Symbol: COCA4
Common Names
- Canada Horsebalm
- Richweed
- Hardhack
- Heal-All
- Stone Root
- Horse Balm
Morphological Characteristics
- Erect perennial.
- Strong-scented.
- Serrate pointed leaves.
- Loose panicle of yellowish flowers.
- Smooth stem.
Distribution and Habitat
- Found in rich hardwood forests throughout the Eastern United States.
Traditional Uses
- Historically used medicinally for conditions such as hemorrhoids and sore throats.
- The oils in the leaves have been used for tea.
Interactions with Other Organisms
- Mentioned in the context of milk sickness, potentially due to toxicological and chemical properties, though it also references White Snakeroot as a possible cause.
Further Information
- Toadshade Wildflower Farm, a mail-order nursery in Frenchtown, NJ, specializes in Collinsonia canadensis (Richweed, Stoneroot, Horsebalm).