Definition

Noun: * Helianthus angustifolius: A species of sunflower native to eastern North America, characterized by its narrow leaves and typical habitat in boggy or moist areas. It is a flowering plant in the family Asteraceae.

Usage

This term is used specifically in botanical, ecological, and horticultural contexts to identify this particular species of sunflower. It is a scientific name (binomial nomenclature).

Examples

• The wetland restoration project included planting native species like .
• Botanists identified the tall, yellow-flowered plant as .
• thrives in the wet, acidic soil of the coastal plain.

Advanced Usage

• The binomial name is always italicized in formal writing. The genus name () is capitalized, while the species epithet () is not.
• In ecological studies, it may be referred to as a key species in certain wetland habitats.

Variants and Related Words

• Swamp sunflower: The common name for .
• Narrow-leaved sunflower: A descriptive common name referencing its leaf shape ( means "narrow-leaved").
• Helianthus: The genus name, encompassing all sunflower species.

Synonyms

• Swamp sunflower
• Narrow-leaved sunflower

Different Meanings

This term has only one specific meaning as the scientific name for a particular plant species. It is not used idiomatically or in non-botanical contexts.

Noun

1. sunflower of eastern North America having narrow leaves and found in bogs