even-pinnate
Definition
- Adjective:
- (Botany, of a leaf shape) Pinnate with a pair of leaflets at the apex: Describes a compound leaf where leaflets are arranged in pairs along a central stem (rachis), terminating in a pair of leaflets rather than a single terminal leaflet. This structure is also known as paripinnate.
Usage Examples
- Adjective:
- The acacia tree has even-pinnate leaves, with small leaflets arranged in opposite pairs.
- Botanists identified the plant by its even-pinnate leaf structure, noting the terminal pair of leaflets.
Advanced Usage
- In Botanical Description: The term is used in formal botanical keys and descriptions to classify plant species.
- The genus is characterized by its even-pinnate leaves and small greenish flowers.
Variants and Related Words
- Paripinnate (adj): A direct synonym used in scientific botanical terminology.
- The paripinnate leaves are a key identifying feature.
- Pinnate (adj): The broader category for feather-like compound leaves, which can be even-pinnate (paripinnate) or odd-pinnate (imparipinnate).
- Odd-pinnate / Imparipinnate (adj): Describes a pinnate leaf ending in a single terminal leaflet, in contrast to .
Synonyms
- Paripinnate: (Scientific synonym) Having an even number of leaflets arranged in pairs along a rachis, terminating in a pair.
Antonyms
- Odd-pinnate / Imparipinnate: (Botany) Pinnate with a single terminal leaflet, resulting in an odd total number of leaflets.
Adjective
-
(of a leaf shape) pinnate with a pair of leaflets at the apex
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