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green false foxglove

Scientific Name: Agalinis viridis

Family: Scrophulariaceae

Category: Dicot

Growth: Forb/herb

Duration: Annual

Other Names:

       

Agalinis (False Foxglove)

Agalinis, commonly known as False Foxglove, is a genus encompassing approximately 70 species found across North, Central, and South America.

Considerations for Pets

  • Some species, such as Agalinis tenuifolia, have stems that may be up to 2 feet tall.
  • The plant may have small parts depending on the size/maturity of the plant, such as the "small subglobose capsules" (in reference to Skinner's false-foxglove) that are 3/32 to 3/16 in size.

Scientific Classification and Nomenclature

  • Genus: Agalinis
  • Family: Scrophulariaceae (as indicated for Agalinis viridis)

Distribution and Habitat

  • The genus Agalinis is distributed throughout North, Central, and South America.
  • Agalinis viridis (Green False Foxglove) is found in Louisiana, Arkansas, and Oklahoma.
  • Agalinis tenuifolia (Slender Gerardia, Slenderleaf False Foxglove) is occasional throughout Illinois.
  • Seminole false foxglove is found statewide in appropriate habitats.

Morphological Characteristics

  • Agalinis viridis (Green False Foxglove) is a forb/herb, defined as a non-woody plant that is not a grass.
  • Agalinis tenuifolia has dark green to purple leaves and stems, reaching approximately 2 feet in height. Its flowers are typically small and range in color from pink to purple.
  • Slender False Foxglove stems are slender and angular with flat ridges, green to reddish purple.
  • Agalinis species have leaves that are opposite, sessile, entire, and linear, ranging from 0.4 to 2.5 inches in length.
  • Stems can be erect, simple or with ascending branches, mostly glabrous, dark green and drying black.
  • Plant color is medium green for yellow false foxgloves, and leaves and flowering branches are opposite.
  • Some slender false foxgloves have darker foliage (green to reddish purple) and darker seeds than some Agalinus spp.

Ecological Role

  • Several Agalinis species, including Skinner's false-foxglove, smooth false foxglove, and purple agalinis, are hemiparasites or partially parasitic plants. This means they can perform photosynthesis due to their green tissues, but also attach their roots to host plants to obtain additional nutrients.

Interactions with Other Organisms

  • Green metallic bees (Halictid Family) have been observed on Agalinis species.
  • Caterpillars have been found on pale false foxglove (Agalinis skinneriana).

Common Names

  • Green False Foxglove: Agalinis viridis
  • Slender Gerardia, Slenderleaf False Foxglove: Agalinis tenuifolia
  • Pale False Foxglove, Pale Gerardia: Agalinis skinneriana
  • Purple False Foxglove, Purple Gerardia: Agalinis purpurea
  • Plateau False Foxglove: Agalinis edwardsiana