coral root
Học thuậtThân thiện
Definition
Noun: 1. A type of orchid: A leafless, non-photosynthetic wildflower of the genus Corallorhiza. It grows from a hard, coral-like mass of rhizomes and obtains nutrients through a symbiotic relationship with fungi in the forest soil.
Usage
- As a subject: "The coral root is a fascinating example of a mycoheterotrophic plant."
- As an object: "During our hike, we spotted a rare coral root growing near the base of an old tree."
- With modifiers: "The pale coral root blends almost perfectly with the leaf litter on the forest floor."
Advanced Usage
- Ecological context: The term is used specifically in botany and ecology to describe plants that rely on mycorrhizal fungi for sustenance, rather than on photosynthesis.
- Example: "Unlike most plants, the coral root is a full mycoheterotroph, deriving all its carbon from associated fungi."
Variants and Related Words
- Corallorhiza: The scientific genus name for coral root orchids.
- Spotted coral root (Corallorhiza maculata): A common species with purple-spotted flowers.
- Striped coral root (Corallorhiza striata): A species characterized by prominently striped flowers.
- Mycoheterotroph: The broader biological category for plants, like coral roots, that obtain nutrients from fungi.
Synonyms
- Corallorhiza orchid
- Mycoheterotrophic orchid (technical)
Related Phrases
- "To find coral root": A phrase used by botanists and naturalists when searching for these specific orchids.
- Example: "We went into the old-growth forest hoping to find coral root in bloom."
Noun
- a wildflower of the genus Corallorhiza growing from a hard mass of rhizomes associated with a fungus that aids in absorbing nutrients from the forest floor