crotalaria spectabilis
Học thuậtThân thiện
A gardener carefully plants a Crotalaria spectabilis seedling in a sunny flower bed.
Definition
Noun: * A species of flowering plant in the legume family (Fabaceae), scientifically known as Crotalaria spectabilis. It is characterized by its tall, erect growth, showy purple-tinted flowers, and distinctive inflated seed pods that rattle when dry. It is native to India and other parts of Asia but has been introduced elsewhere, often considered an invasive weed in some regions.
Usage
- Common Name: The term "crotalaria spectabilis" is primarily used in botanical, agricultural, and ecological contexts as the scientific (Latin) name for the plant. In common usage, it is often referred to by its various common names.
- Context: It is used when discussing plant biology, invasive species, or traditional uses (e.g., as a green manure or, historically, for its fibers, though it is toxic to livestock).
Examples
- The field was overtaken by crotalaria spectabilis, its rattling pods a sign of the dry season.
- Botanists are studying the spread of Crotalaria spectabilis in non-native habitats.
- Due to its toxicity, farmers are advised to remove crotalaria spectabilis from pastures.
Advanced Usage
- In Scientific Literature: The name is always italicized, and the genus is often abbreviated after first use (e.g., ).
- In Ecology: It may be discussed as a "noxious weed" or an "invasive exotic species" that outcompetes native flora.
Variants and Related Words
- Showy rattlebox: A common English name for this plant, referring to its attractive flowers and rattling seed pods.
- Rattleweed: A general common name for plants in the genus, alluding to the sound of seeds in the dry pod.
- Crotalaria: The genus name, which includes hundreds of species commonly known as rattlepods.
Synonyms
- Showy crotalaria
- Showy rattlepod
- (Note: "Crotalaria spectabilis" is the precise botanical name; synonyms here refer to accepted common names, not different scientific taxa.)
Different Meanings
- As a scientific binomial, "Crotalaria spectabilis" refers specifically to this single plant species. It does not have other unrelated meanings.
Phrasal Verbs / Idioms
- Not applicable. "Crotalaria spectabilis" is a fixed scientific noun and is not used in phrasal verbs or idioms.
A gardener carefully plants a Crotalaria spectabilis seedling in a sunny flower bed.
Noun
- erect subshrub having purple-tinted flowers and an inflated pod in which the ripe seeds rattle; India