SafePlants

Mullein Foxglove (Dasistoma macrophylla)

Dasistoma macrophylla, commonly known as Mullein Foxglove, is a fascinating herbaceous plant with a unique lifestyle.

Considerations for Pets

• This plant is known to grow up to 7 feet tall.

Considerations for Children

• This plant is known to grow up to 7 feet tall.

Taxonomy and Nomenclature

• Scientific Name: Dasistoma macrophylla (Nutt.) Raf.
• Common Names: Mullein Foxglove, Mullein Seymeria, False Foxglove
• Family: Orobanchaceae (formerly Scrophulariaceae)
• Kingdom: Plantae
• Synonyms: Seymeria macrophylla Nutt., Dasistoma macrophyllum (Nutt.) Raf.
• Taxonomic Serial Number (TSN): 33581
• Genus: Dasistoma (monotypic, meaning Dasistoma macrophylla is the only species in the genus)

Distribution and Habitat

• Native to North America.
• Found in deciduous forests and forest openings, especially along larger rivers.
• First found in Virginia in 1992.

Ecological Role

• Dasistoma macrophylla is a hemiparasitic plant, meaning it obtains some of its nutrients by attaching to the roots of other plants.

Morphological Characteristics

• Summer annual.
• Grows to about 2-6 feet tall, sometimes reaching 7 feet.
• Exhibits regular branching from the central stem, with side stems branching very little.
• Erect, perennial forb.
• Leaves are opposite, with lower leaves being widely oval and deeply.

Quirky Facts

• The name "Dasistoma" comes from the Greek words "dasys" (hairy) and "stoma" (mouth), referring to the flower's appearance.
• Considered rare in much of its range.

Naming History

• Dasistoma macrophylla was described and validly published by Thomas Nuttall. It was Constantine Samuel.

Further Information

• MNFI's database of rare species and community occurrences.
• Endangered Resces Program
• Discover Life
• Encyclopedia of Life
• BONAP&#39s North American Plant Atlas
• B and T World Seeds&#39 database
• Butler University Friesner Herbarium Digital Collection
• Dave's Garden