Indigofera
Học thuậtThân thiện
Definition
Noun: 1. A genus of flowering plants: Indigofera is the scientific name for a large genus of tropical and subtropical herbs and shrubs belonging to the pea family (Fabaceae). They are characterized by having odd-pinnate leaves (a leaf structure with a central stem and an odd number of leaflets) and flowers that grow in long clusters called racemes or spikes.
Usage Notes
- The word is a proper noun, specifically a taxonomic genus name. It is always capitalized.
- It is used primarily in scientific, botanical, and agricultural contexts.
- While it is a singular noun referring to the genus as a whole, it can be used with a plural verb when referring to the multiple species within it (e.g., "Many are used for dye").
Examples
- Scientific Classification: " is a genus in the family Fabaceae."
- Botanical Description: "The plant was identified as a member of the genus due to its distinctive spurred flowers."
- Agricultural Use: "Several species are cultivated as forage plants for livestock."
Advanced Usage
- In Dye Production: Historically, the most famous use of plants from this genus is for the production of natural indigo dye. The species and were primary sources.
- Example: "The ancient dye was extracted from the leaves of Indigofera plants."
Variants and Related Words
- Indigo: (Noun) The deep blue dye or color historically obtained from plants of the genus . This is the common name derived from the genus.
- Indigotin: (Noun) The organic compound that is the primary constituent of indigo dye.
Synonyms
- Genus Indigofera: This is the full taxonomic designation and a direct synonym.
- Indigo plant: A common name, though this can sometimes refer to plants from other genera that also produce indigo dye (e.g., , or woad).
Different Meanings
- There are no other common meanings for outside of its botanical context as a genus name. It does not function as a regular English word with multiple definitions.
Noun
- genus of tropical herbs and shrubs having odd-pinnate leaves and spurred flowers in long racemes or spikes