order helotiales
Học thuậtThân thiện
A mycologist examines a cup fungus from the order Helotiales under a magnifying glass.
Definition
- Noun:
- A taxonomic order of fungi: "order Helotiales" is the scientific name for an order of fungi within the class Leotiomycetes. Fungi in this order are characterized by producing their spores (ascospores) in microscopic, sac-like structures called asci. These asci are contained within a specific type of fruiting body known as an apothecium, which is typically disk-shaped, cup-shaped, or goblet-shaped.
Usage Examples
- Noun:
- The fungus was classified under the order Helotiales due to the structure of its apothecium.
- Many saprobic and plant-pathogenic fungi belong to the order Helotiales.
Advanced Usage
- In taxonomic hierarchy: The term is used in formal biological classification (taxonomy). It follows the format "order [Name]", where "Helotiales" is the proper name of the order.
- The family Sclerotiniaceae is placed within the order Helotiales.
Variants and Related Words
- Helotialean (adj): Pertaining to or characteristic of the order Helotiales.
- The helotialean fungi exhibit a wide variety of apothecial forms.
Synonyms
- Thelebolales (Note: This is a historically used synonym or a closely related group in some taxonomic systems, but it is not universally interchangeable with Helotiales in modern taxonomy.)
Notes on Usage
- This is a specialized scientific term used primarily in mycology (the study of fungi) and taxonomy. It is not used in everyday language.
- The word "order" in this context is a specific rank in biological classification (Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species). "Helotiales" is the proper name for this particular order.
- The term is always written in italics in scientific texts: . When used with the rank "order," it is common to write "order Helotiales."
A mycologist examines a cup fungus from the order Helotiales under a magnifying glass.
Noun
- order of fungi having asci in a disk-shaped to goblet-shaped apothecium