hastate
/'hæsteit/
Học thuậtThân thiện
Definition
- Adjective:
- Resembling a spearhead in shape: Specifically used in botany to describe a leaf shape that is triangular, like a spear point, with two pointed lobes that flare outward at the base.
Examples of Usage
- Adjective:
- The plant is easily identified by its hastate leaves.
- Botanists noted the hastate leaf shape in their description of the new species.
Advanced Usage
- Technical Botanical Description: The term is used almost exclusively in scientific or technical botanical contexts to classify and describe leaf morphology.
- The genus is characterized by its hastate to sagittate leaf forms.
Variants and Related Words
- Hastately (adv): In a hastate manner; with a hastate shape.
- The leaves are arranged hastately along the stem.
- Sagittate (adj): Another botanical term for an arrowhead-shaped leaf, where the two basal lobes point backward, unlike the outward-flaring lobes of a hastate leaf.
Synonyms
- Spear-shaped: Having the shape of a spear point.
- Triangular: Having three angles and three sides (a more general geometric term that can apply).
Antonyms
- Linear: Long and narrow with parallel sides.
- Ovate: Egg-shaped, with the broader end at the base.
Adjective
- (of a leaf shape) like a spear point, with flaring pointed lobes at the base