sagittate
/'sædʤiteit/ Cách viết khác : (sagittated) /'sædʤiteitid/
Definition
- Adjective:
- (Botany) Having the shape of an arrowhead, specifically a leaf that is triangular with two pointed lobes projecting downward at the base, resembling an arrowhead without flaring base lobes.
Usage Examples
- Adjective:
- The plant was identified by its distinctive sagittate leaves.
- The arrowhead plant (Sagittaria) is named for its sagittate foliage.
Advanced Usage
- Scientific Description: The term is primarily used in technical botanical descriptions to classify leaf morphology. It precisely describes a shape where the leaf blade is triangular and the two basal lobes point downward, parallel or nearly parallel to the petiole (leaf stalk), unlike a "hastate" leaf where the basal lobes flare outward.
- The sagittate form of the leaf is a key diagnostic feature for this species.
Variants and Related Words
- Sagittated (adj.): A less common variant with the same meaning.
- The sagittated leaves were carefully sketched in the botanical journal.
Synonyms
- Arrowhead-shaped: Having the general form of an arrowhead.
- Sagittal: In anatomy, this refers to a plane or section, but in a broader descriptive sense, it can relate to an arrow-like shape. However, "sagittate" is the precise botanical term.
Different Meanings
- This word is highly specialized. In general English, it is almost exclusively used in botanical contexts to describe leaf shape. It does not have common idiomatic or figurative meanings.
Notes
- The word derives from Latin , meaning "arrow."
- It is a specific descriptor in plant identification keys and botanical literature.
Adjective
-
(of a leaf shape) like an arrow head without flaring base lobes
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