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fernleaf yellow false foxglove

Scientific Name: Aureolaria pedicularia var. pedicularia

Family: Scrophulariaceae

Category: Dicot

Growth: Forb/herb

Duration: Annual

Other Names: OH (woodland fern-leaf false foxglove)

       

Fernleaf Yellow False Foxglove (Aureolaria pedicularia)

The Fernleaf Yellow False Foxglove, scientifically known as Aureolaria pedicularia, is a fascinating plant with several notable characteristics and interactions.

Common Names

  • Fernleaf Yellow False Foxglove
  • Northern Oak-leach
  • Hairy False Foxglove

Taxonomy and Nomenclature

  • Scientific Name: Aureolaria pedicularia (L.) Raf.
  • Family:
    • Scrophulariaceae (historically, now often Orobanchaceae)
    • Orobanchaceae (Broomrape family)
  • Order: Lamiales
  • Genus: Aureolaria
  • Synonyms: Aureolaria pedicularia ( L.) Raf. var. pedicularia

Considerations for Pets

  • The text mentions the plant has "sticky and hairy" stems, which may be a consideration.

Distribution and Habitat

  • Native to North America.
  • Specifically mentioned locations: Delaware County, PA; Georgia; New Hanover Co., NC; Florida; Connecticut.
  • Found in sandhills and dry oak forests.
  • Threatened species in New Hampshire (Aureolaria pedicularia var. intercedens).

Ecological Role

  • The Fernleaf Yellow False Foxglove is a root parasite, specifically parasitizing oaks, especially white oaks. It obtains nutrients from the roots of these host trees.

Morphological Characteristics and Growth Habits

  • Annual herb.
  • Bushy plant with similar flowers to other Aureolaria species in Connecticut.
  • Each flower has a trumpet-shaped yellow corolla and a short green calyx with 5 teeth.
  • The plant has "sticky and hairy" stems.
  • Flowers are relatively large, about 3 cm (1.2 in.) long, bell-shaped, yellow, and borne on the ends of long stalks.

Quirky Facts

  • It's known as Oak-leach because of its parasitic relationship with oak trees.
  • While described as a medium-sized plant, it can reach a height of up to 14 meters in spring, although this may be an error in the original text (likely referring to other plants and not this species).

Interactions with Other Organisms

  • Parasitizes the roots of oak trees, particularly white oaks.

Related Species

  • Similar to comb-leaf yellow false foxglove (Aureolaria pectinata).
  • Other Aureolaria species mentioned: Aureolaria flava, Aureolaria virginica.

Further Information

  • Discover Life: Provides information about the biology, natural history, ecology, identification, and distribution of Aureolaria pedicularia.
  • Dave's Garden: A community for sharing gardening tips and ideas.