adder's tongue fern

Thân thiện

The hiker carefully examines an adder's tongue fern growing in the shady forest.

Definition

Noun: 1. A type of fern: A common name for ferns of the genus Ophioglossum, characterized by having a single, simple, undivided leaf (or frond) and a separate, spike-like fertile stalk that resembles a snake's tongue.

Usage Notes

"Adder's tongue fern" is a compound noun used as the common name for a specific group of plants. It is typically used in botanical, gardening, or naturalist contexts. The name is descriptive, drawing a visual comparison between the plant's spore-bearing stalk and a snake's (adder's) tongue.

Examples of Usage

• Noun:
  • While hiking in the meadow, we identified a small cluster of adder's tongue fern growing in the damp soil.
  • The adder's tongue fern is easily overlooked because of its small size and simple appearance.
  • This field guide lists several species of adder's tongue fern native to this region.

Advanced Usage

• The term is often used in its plural form, "adder's tongue ferns," to refer to multiple plants or to the group as a whole.
  • The conservation area is known for its population of rare adder's tongue ferns.

Variants and Related Words

• Adder's tongue: A shortened, informal form of the full name.
• Ophioglossum: The scientific genus name for these ferns.
• Fern: The broader category of plants to which the adder's tongue belongs.

Synonyms

• Ophioglossum (scientific synonym)
• Snake's tongue fern (descriptive synonym, though less common)

Related Phrases

• Fertile spike: The part of the fern that produces spores, which is the specific feature likened to an adder's tongue.

Học thuật

Noun

1. ferns with fertile spikes shaped like a snake's tongue

Từ đồng nghĩa

• adder's tongue