leaf sheath

noun

botany the basal part of a grass leaf that encircles the stem

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for leaf sheath

The leaf-sheath is glabrous, slightly compressed, distinctly keeled, as broad or slightly broader than the blade at the mouth.
A Handbook of Some South Indian Grasses|Rai Bahadur K. Ranga Achariyar
The leaf-sheath embracing the peduncle is longer than the lower sheaths.
A Handbook of Some South Indian Grasses|Rai Bahadur K. Ranga Achariyar
From each joint grows a leaf-sheath which is wrapped round the stem for a little distance above the joint.
Wildflowers of the Farm|Arthur Owens Cooke
The leaf consists of the two parts, the leaf-sheath and the leaf-blade.
A Handbook of Some South Indian Grasses|Rai Bahadur K. Ranga Achariyar

The leaf-sheath is glabrous and smooth, ribbed, the lower short and the upper very long.
A Handbook of Some South Indian Grasses|Rai Bahadur K. Ranga Achariyar

leaf sheath

noun

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Examples from the Web for leaf sheath