common cotton grass
Definition
Noun A perennial herbaceous plant (Eriophorum angustifolium) of the sedge family (Cyperaceae), characterized by its distinctive, densely tufted, white, cottony or down-like seed heads (glumes) that appear in summer. It typically grows in wet, acidic habitats such as bogs, marshes, and moorlands.
Usage
"Common cotton grass" is used as a singular, countable noun to refer to the specific plant species. It is often used in botanical, ecological, and descriptive natural history contexts.
Examples
- Noun:
- The peat bog was dotted with the fluffy white heads of common cotton grass.
- Botanists study common cotton grass as an indicator species for wetland health.
Advanced Usage
- Ecological Indicator: In scientific writing, "common cotton grass" is frequently cited as an indicator of acidic, nutrient-poor, and waterlogged soil conditions.
- The widespread presence of common cotton grass confirmed the area's status as an active raised bog.
Variants and Related Words
- Cotton Grass: A common name for the genus , which includes several species besides the "common" one.
- Eriophorum angustifolium: The formal botanical (Latin) name for the species.
Synonyms
- Bog Cotton: A general colloquial name used, especially in British and Irish English, for plants in the genus.
- Tassel Cotton Grass: A less common name for the same or similar species.
Related Phrases/Idioms
There are no specific idioms or phrasal verbs using "common cotton grass." It is a technical botanical term.
Noun
-
having densely tufted white cottony or downlike glumes
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