leaf sheath; basal part of leaf enclosing stem
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
leaf sheath (the tubular basal part of a leaf that encloses the stem in grasses, sedges, and other monocots)
technicalA botanical term referring specifically to the cylindrical structure at the base of a leaf in Poaceae (grasses), Cyperaceae (sedges), and similar plants, which clasps the stem (culm). Distinguished from the leaf blade (叶片).
Shuǐ水
dào稻
de的
yè叶
qiào鞘
bǎo保
hù护
zhe着
yòu幼
nèn嫩
de的
jīng茎
gǎn秆
。
The leaf sheath of rice protects the tender culm.
Xiǎo小
mài麦
yè叶
qiào鞘
jī基
bù部
péng膨
dà大
xíng形
chéng成
jié节
。
The base of the wheat leaf sheath swells to form a node.
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Zhè这
gè个
pǐn品
zhǒng种
de的
shuǐ水
dào稻
yè叶
qiào鞘
chéng呈
zǐ紫
hóng红
sè色
。
The leaf sheath of this rice variety is purple-red.