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UC IPM Home > Weed Photo Gallery > Identification Characteristics of Grasses > Sheaths

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How to Manage Pests

Identification: Characteristics of Grasses

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Sheaths

The lower portion of the leaf blade that encircles the stem is the sheath.

Sheath is split Margins of the
sheath overlap		 Sheath is closed
Illustration of collar with split sheath Illustration of sheath with overlapping margins Illustration of sheath with closed margins

Statewide IPM Program, Agriculture and Natural Resources, University of California
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