umbelliform
/ʌm'belifɔ:m/
Học thuậtThân thiện
Definition
- Adjective:
- Resembling or having the form of an umbel: In botany, "umbelliform" describes a structure, typically an inflorescence (flower cluster), that has the shape or arrangement characteristic of an umbel. An umbel is a type of flower cluster where all the flower stalks (pedicels) arise from a common point at the top of the main stem, resembling the ribs of an umbrella.
Usage Examples
- Adjective:
- The plant's inflorescence is distinctly umbelliform, with all the small white flowers radiating from a single point.
- Botanists identified the species by its umbelliform flower clusters.
Advanced Usage
- Technical Botanical Description: The term is used in precise botanical descriptions to classify inflorescence types. It is a formal, scientific term.
- The genus is characterized by its compound umbelliform inflorescences.
Variants and Related Words
- Umbel (n): The flat-topped or rounded flower cluster itself, from which the adjective "umbelliform" is derived.
- Dill and fennel produce flowers in umbels.
- Umbellate (adj): Another adjective meaning arranged in or bearing umbels; often used interchangeably with "umbelliform" in some contexts, though "umbelliform" more strictly emphasizes the .
- The plant has an umbellate arrangement of flowers.
Synonyms
- Umbel-like: Having a similar form to an umbel. (Less technical)
- Radiate: Extending from a common center. (Describes the general pattern, not specific to botany)
Antonyms
- Spicate: Arranged in a spike (a long, unbranched cluster with flowers attached directly to the main stem).
- Racemose: Arranged in a raceme (an unbranched, elongated cluster with flowers on short stalks along a central stem).
Adjective
- resembling or in the form of an umbel