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Identification: Characteristics of Grasses

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Ligules

A ligule is an outgrowth from the sheath. Because they vary in size, shape, and texture, they are used in the identification process. Below are several examples of ligule types.

Membranous Fringe of hairs Truncate Absent
Illustration of membranous ligule Illustration of ligule as a fringe of hairs Illustration of truncate ligule Illustration of absent ligule
Rounded Tapered Scalloped or toothed
Illustration of rounded ligule Illustration of tapered ligule Illustration of scalloped or toothed ligule
 
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