scorpioid cyme
Học thuậtThân thiện
Definition
Noun: 1. A specific type of flower cluster (inflorescence): A scorpioid cyme is a determinate, coiled inflorescence where the flowers or branches develop in two alternating, opposite rows along one side of the axis, giving it a characteristic curved or coiled shape that resembles a scorpion's tail.
Usage
The term is used in botany to describe and classify the precise arrangement of flowers on a plant's stem. - It is a technical, scientific term. - It is typically used in botanical descriptions, identification keys, and academic texts.
Examples
- The botanist identified the plant by its distinctive scorpioid cyme.
- In the Boraginaceae family, many species, like forget-me-nots, produce a scorpioid cyme.
- The scorpioid cyme uncoils gradually as the flowers bloom from the base to the tip.
Advanced Usage
- As a diagnostic feature: The presence of a scorpioid cyme is often a key characteristic for identifying certain plant families, such as Boraginaceae.
- The scorpioid cyme is a reliable feature for distinguishing members of the borage family.
Variants and Related Words
- Cyme (n): The broader category of determinate inflorescences to which the scorpioid cyme belongs.
- Cincinnus (n): Another, more technical term for a scorpioid cyme.
- Helicoid cyme (n): A similar but distinct type of cyme where all branches develop on the same side of the axis, forming a spiral rather than two alternating rows.
Synonyms
- Cincinnus (This is a direct synonym used in specialized botanical literature.)
Related Terms (Not Synonyms)
- Raceme: An indeterminate inflorescence with flowers on short stalks along a central stem.
- Umbel: An inflorescence where all flower stalks arise from a common point.
- Determinate inflorescence: The general category where the terminal flower blooms first, stopping the elongation of the main axis.
Noun
- a cyme with flowers or branches alternating in opposite ranks