tithonia

Thân thiện

A gardener plants a tithonia in her sunny flower bed.

Definition

Noun 1. A plant of the genus Tithonia: Any of various tall, often coarse herbs or shrubs native to regions from Mexico to Panama. These plants are characterized by their large, showy flower heads that closely resemble sunflowers, featuring a central disc of yellow florets surrounded by ray florets that range in color from golden-yellow to orange-scarlet.

Examples of Usage

• The garden was brightened by a row of vibrant tithonia.
• Tithonia is often planted to attract butterflies and other pollinators.
• The farmer uses tithonia as a green manure to improve soil fertility.

Advanced Usage

• As a common name: The word "tithonia" is often used as a common name for species within the genus, most notably (Mexican sunflower or tree marigold) and (red sunflower or Mexican sunflower).
  • For a splash of late-summer color, many gardeners recommend tithonia, specifically the Tithonia rotundifolia variety.

Variants and Related Words

• Mexican sunflower: A common name for several species.
• Tree marigold: A common name for .

Synonyms

• Mexican sunflower

Notes on Meaning

The term refers specifically to members of the botanical genus Tithonia. Its primary defining characteristic is the structure and appearance of its flower head, which is daisy-like (composite) with distinct disc and ray florets, similar to a sunflower.

Học thuật

Noun

1. any plant of the genus Tithonia; tall coarse herbs or shrubs of Mexico to Panama having large flower heads resembling sunflowers with yellow disc florets and golden-yellow to orange-scarlet rays

Từ đồng nghĩa

• mexican sunflower