palmately
Học thuậtThân thiện
Definition
- Adverb:
- In a manner resembling a hand with the fingers spread: Describes something, typically a leaf or a structure, that is divided, arranged, or shaped like an open hand with the fingers radiating from a central point.
Usage
- The term "palmately" is used almost exclusively in botanical and biological contexts to describe the specific arrangement of lobes, veins, or leaflets.
- It modifies verbs (e.g., , , ) or adjectives (e.g., ) to specify the pattern of division.
Examples
- Adverb:
- The leaf is palmately veined, with several primary veins extending from a single point.
- This species is known for its palmately compound leaves, which have five leaflets.
- The plant has palmately lobed leaves, much like the shape of a maple leaf.
Advanced Usage
- "palmately cleft": Deeply divided in a palmate pattern, but with the divisions (clefts) not reaching all the way to the base.
- The garden featured a shrub with palmately cleft leaves.
- "palmately nerved": Having several principal nerves of approximately equal size radiating from the top of the leaf stalk.
- Botanists noted the palmately nerved venation as a key identifying feature.
Variants and Related Words
- Palmate (adj): Having a shape or structure similar to that of a hand with the fingers spread out.
- The horse chestnut has palmate leaves.
- Palmation (n): The condition of being palmate; a palmate formation.
Synonyms
- Radiately: In a radiating pattern (less specific to hand-shape).
- Digitated: Having finger-like divisions or processes (a close synonym, often used in anatomy and botany).
Antonyms
- Pinnately: In a feather-like or arranged-along-a-central-axis manner (e.g., ).
- Longitudinally: In a lengthwise direction.
Adverb
- in a palmate manner
- palmately cleft