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mountain tansymustard
Scientific Name: Descurainia incana ssp. incana
Family: Brassicaceae
Category: Dicot
Growth: Forb/herb
Duration: Annual, Biennial, Perennial
Other Names:
Descurainia incana: Mountain Tansymustard
Descurainia incana, commonly known as Mountain Tansymustard, is a plant belonging to the mustard family.
Taxonomy and Nomenclature
- Scientific Name: Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn
- Common Names: Mountain Tansymustard, Mountain Tansy Mustard, Mountain Tansy-Mustard
- Synonyms: Descurainia richardsonii, Sophia incisa
- Family: Brassicaceae (Mustard Family) also referred to as Cruciferae
- Taxonomic Rank: Species. Subspecies include:
- Descurainia incana subsp. incana
- Descurainia incana subsp. incisa (Engelm. ex A. Gray) Kartesz & Gandhi
- Descurainia incana var. incana
- Descurainia incana var. viscosa
Distribution and Habitat
- Native to northern and western North America.
- Found in northern Maine, inhabiting cliffs and talus.
- Also found in Arizona and California.
- Grows in semi-desert to subalpine environments, disturbed areas, and meadows.
Morphological Characteristics
- Annual/Biennial herb.
- Grows to 1 meter (3ft 3in) in height.
- Flowers from June to August.
- Seeds ripen from August to September.
- Characterized by upright seedpods close to the stalk.
Ecological Role
- Often found in weedy areas.
Further Information
- Discover Life provides information on the biology, natural history, ecology, identification, and distribution of Descurainia incana.
- U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station.