lecanora

Thân thiện

A scientist examines a lecanora growing on a rock.

Definition

Noun: 1. A type of lichen: Any lichen belonging to the genus Lecanora. These are composite organisms, typically forming crust-like growths on rocks or tree bark, resulting from a symbiotic relationship between a fungus and an alga or cyanobacterium. 2. A source of dye or food: Some species within this genus have been traditionally used to create dyes or, in some cases, consumed as food.

Usage Examples

• The greyish, crusty lecanora covering the granite boulder indicated very low air pollution in the area.
• Researchers collected samples of lecanora to study its unique chemical compounds.
• Historically, certain types of lecanora were boiled to produce a reddish-brown dye for wool.

Advanced Usage

• In scientific contexts, the word is used precisely to refer to members of the genus , which is one of the largest genera of crustose lichens. Discussions often focus on their taxonomy, chemistry (e.g., the presence of specific lichen acids), or ecology.

Variants and Related Words

• Lecanoraceous (adj): Of or relating to the family Lecanoraceae, which includes the genus .
  • The apothecia had a lecanoraceous margin.

Synonyms

• Crustose lichen: A descriptive term for lichens that form a crust tightly attached to their substrate, which includes many species.
• Rock lichen: A general term for lichens growing on rocks.

Different Meanings

The word lecanora has a single, specific meaning in biology and mycology. It does not have different common meanings outside of its use as the scientific name for this genus of lichens.

Học thuật

Noun

1. any lichen of the genus Lecanora; some used in dyeing; some used for food