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Hound's Tongue Wikimedia Commons
Boraginaceae

Hound's Tongue

Cynoglossum officinale

Persistence and folk medicine.

Family
Boraginaceae
Genus
Cynoglossum
Native to
Europe, western Asia
Bloom season
Late Spring, Summer
Type
biennial
Height
30–90 cm
Sunlight
full sun to part shade
Soil
dry, sandy, disturbed
Water
low
Hardiness
4–8
Lifespan
biennial

Did you know

  • The common name comes from the broad, rough-textured basal leaves that resemble a dog's tongue.
  • Its burr-like nutlets are covered in hooked barbs that cling to animal fur, ensuring long-distance seed dispersal.
  • The genus name Cynoglossum literally translates from Greek as 'dog's tongue' (kynos + glossa).
  • Historically the leaves were placed inside shoes to repel fleas and soothe tired feet.
  • The plant contains pyrrolizidine alkaloids toxic to livestock, making it a serious pasture weed in North America.

Color meanings

Reddish-Purple

stubborn tenacity

Uses

  • historical herbal medicine
  • ecological study
  • weed management education