Descurainia pinnata
Học thuậtThân thiện
Definition
- Noun:
- A North American herb with bitter-tasting pinnate leaves resembling those of tansy: "Descurainia pinnata" is the scientific name for a specific species of flowering plant in the mustard family, native to North America. It is characterized by its finely divided, feather-like (pinnate) leaves which have a bitter taste and look similar to the leaves of a tansy plant.
Usage Examples
- Noun:
- The field was dotted with the yellow flowers of Descurainia pinnata.
- Botanists study the growth patterns of Descurainia pinnata in arid regions.
Advanced Usage
- In botanical classification: The name is used in a precise, scientific context. It is typically italicized in writing.
- The genus Descurainia includes several species, such as Descurainia pinnata and Descurainia sophia.
Variants and Related Words
- Tansy mustard: A common name for .
- Descurainia sophia (Noun): A related species known as herb sophia or flixweed.
- Pinnate (Adjective): Describing a leaf shape where leaflets are arranged on opposite sides of a common stalk, resembling a feather.
Synonyms
- Tansy mustard: The most common vernacular name for this plant.
- Western tansy mustard: A name specifying its geographic prevalence.
Notes on Usage
- As a scientific binomial (genus and species), "Descurainia pinnata" is always treated as a singular noun.
- It is primarily used in academic, botanical, or ecological contexts rather than in everyday conversation.
Noun
- North American herb with bitter-tasting pinnate leaves resembling those of tansy