dracunculus
Học thuậtThân thiện
Definition
- Noun:
- A genus of parasitic nematodes: Dracunculus is the type genus of the family Dracunculidae, which includes the Guinea worm (Dracunculus medinensis), a long, thin parasitic roundworm.
- A genus of tuberous perennial plants: Dracunculus is also a genus of herbaceous, tuberous perennials in the arum family (Araceae), known for their distinctive, often foul-smelling flowers, such as the dragon arum (Dracunculus vulgaris).
Usage Examples
Noun (Parasite):
- The eradication campaign focuses on the water flea, the intermediate host for Dracunculus.
- Dracunculus medinensis is transmitted to humans through contaminated drinking water.
Noun (Plant):
- The garden features a striking Dracunculus with a deep purple spathe.
- Dracunculus vulgaris is also commonly called the dragon lily or voodoo lily.
Advanced Usage
- In scientific taxonomy: The genus name is used in both zoology (for the worm) and botany (for the plant). Context is crucial for determining the intended meaning.
- The zoologist studied the life cycle of Dracunculus, while the botanist cultivated Dracunculus in the greenhouse.
Variants and Related Words
- Dracunculiasis (n): The disease caused by infection with the Guinea worm (), characterized by painful skin lesions.
- Dracunculiasis is a debilitating but preventable disease.
- Dracunculoid (adj): Resembling or related to worms of the genus .
Synonyms
- For the parasite: Guinea worm.
- For the plant: Dragon arum, dragon lily, voodoo lily ().
Notes on Meaning
- The dual meaning of stems from Latin, where "dracunculus" means "a small dragon or serpent," alluding to the worm's snakelike form and the plant's dragon-like appearance.
- In medical and public health contexts, almost exclusively refers to the parasitic worm.
- In horticultural and botanical contexts, refers to the flowering plant.
Noun
- type genus of the family Dracunculidae
- tuberous herbaceous perennials: dragon arum