genus hemerocallis
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Definition
Noun: - A taxonomic genus of flowering plants in the family Asphodelaceae, comprising perennial herbaceous plants native to East Asia. These plants are characterized by forming clumps from rhizomes (underground stems), producing flowers on tall, leafless stalks (scapes). The genus is widely cultivated around the world and is commonly known for its members, the daylilies.
Usage Notes
- The term "genus Hemerocallis" is used in formal botanical and horticultural contexts to classify and discuss this specific group of plants. It is a scientific (Latin) name following binomial nomenclature rules, where "Hemerocallis" is the genus name.
- In everyday gardening or casual conversation, the common name "daylily" is more frequently used than the full scientific genus name.
Examples
- Scientific/Formal Context:
- The garden's collection features several species from the genus Hemerocallis.
- Botanists study the evolution within the genus Hemerocallis.
- General/Horticultural Context:
- Genus Hemerocallis plants are prized for their vibrant, trumpet-shaped flowers.
- Hybrids in the genus Hemerocallis offer a wide range of colors and bloom times.
Advanced Usage
- Taxonomic Discussion: The genus is sometimes referenced in debates about plant family classification. Historically, it was placed in the family Liliaceae, then in Hemerocallidaceae, and is now often classified within Asphodelaceae.
- The phylogenetic study confirmed the placement of genus Hemerocallis within the expanded family Asphodelaceae.
Variants and Related Words
- Hemerocallis (n): The abbreviated, standard form of the genus name, used identically to "genus Hemerocallis."
- Hemerocallis fulva is a common species.
- Daylily (n): The common name for any plant within this genus, referring to the characteristic that each flower typically lasts only one day.
- The daylily is a low-maintenance perennial.
Synonyms
- Daylily genus: A descriptive synonym used in less technical contexts.
- The daylily genus is remarkably adaptable to different climates.
Related Terms (Not Phrasal Verbs or Idioms)
- Clump-forming: A descriptive term for the growth habit characteristic of this genus.
- Rhizomatous: Referring to the type of underground stem system these plants possess.
- Scape: The technical term for the long, leafless flower stalk.
Noun
- east Asian rhizomatous clump-forming perennial herbs having flowers on long leafless stalks; cosmopolitan in cultivation: day lilies; sometimes placed in subfamily Hemerocallidaceae