simple leaf
simple leaf — 名詞
1. A leaf whose blade is a single continuous piece — it may have cuts or deep notch
單葉
葉片不分離成小葉的葉子
A leaf whose blade is a single continuous piece — it may have cuts or deep notches along the edge but is not separated into smaller leaf-like parts called leaflets, unlike a compound leaf.
In biology class, Trang examined a maple leaf as a simple leaf with deep lobes.
生物課上，Trang 觀察了一片楓葉，作為具有深裂的單葉範例。
contrast with compound leaf
The oak tree in the park produces simple leaves with a wavy, easy-to-recognise edge.
公園裡的橡樹長出邊緣波浪狀、容易辨認的單葉。
Ishaan showed the class how a simple leaf attaches to the stem by a stalk called the petiole.
Ishaan 向全班示範單葉如何透過一根稱為葉柄的莖連接到枝條上。
petiole attachment — key feature of simple leaves
Unlike a rose bush with compound leaves, a cherry tree grows simple leaves along its branches.
與複葉的玫瑰叢不同，櫻桃樹的枝條上長出的是單葉。
simple vs. compound leaf contrast
Collecting leaves for her project, Sofie noted that birch trees have small simple leaves with jagged edges.
Sofie 收集葉子做報告時注意到樺樹的單葉小而帶鋸齒邊。
- produce simple leaves
- has simple leaves
- simple leaf shape
- simple leaf structure
- simple leaf arrangement
- undivided leaf
less formal description; 'simple leaf' is the standard botanical term
- compound leaf
a leaf whose blade is split into separate leaflets (e.g. rose, ash, clover)
用法筆記
In botanical descriptions, the opposite of a simple leaf is a compound leaf, where the blade is divided into separate leaflets. A lobed leaf (e.g. oak, maple) is still a simple leaf as long as the gaps do not reach the central vein.