spirale
spirale — noun
1. In plants, the natural spiral order in which leaves, petals, seeds, or other par
In plants, the natural spiral order in which leaves, petals, seeds, or other parts grow around a central stem or axis — for instance, the curved rows of seeds on a sunflower head or the overlapping scales of a pine cone.
The spirale of bracts on the pineapple gives the fruit its familiar diamond-like surface.
collocation: spirale of bracts
Professor Min-Jee asked the class to trace the spirale of petals around each daisy head.
passive structure: asked ... to trace the spirale of
A clear spirale of scales can be seen on Douglas fir and Norway spruce cones.
In many succulents the spirale of leaves helps the plant soak up the most sunlight.
- spiral arrangement
less technical; the everyday phrase for the same botanical pattern
- phyllotaxis
the broader scientific term for any leaf arrangement pattern, including spirals, whorls, and opposite pairs
- whorl
an arrangement where three or more leaves or petals grow from the same node, forming a ring rather than a spiral
文法句型
the spirale of + noun phrase
spirale + preposition + noun phrase
用法筆記
Almost exclusively used in botanical writing; other fields use the broader term 'spiral'. The spirale is commonly described by the number of clockwise and counter-clockwise curves visible on the plant surface.