In grasses, the area on the outer side of the leaf where the blade and the sheath join is called the:

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Study for the Virginia Commercial Applicator Turf Category 3B Exam. Use flashcards and multiple-choice questions with helpful hints and explanations. Prepare effectively for your exam!

Multiple Choice

In grasses, the area on the outer side of the leaf where the blade and the sheath join is called the:

Explanation:
The area where the blade and the sheath meet on the outer side of a grass leaf is called the collar. This region forms the visible junction at the outer surface between the flat blade and the surrounding sheath that wraps around the stem. The ligule sits on the inner side of that same junction as a small, membranous structure, which helps distinguish it from the collar. The blade and the sheath themselves are the separate parts of the leaf, with the blade being the photosynthetic part and the sheath wrapping around the stem. So the outer seam where blade meets sheath is the collar.

The area where the blade and the sheath meet on the outer side of a grass leaf is called the collar. This region forms the visible junction at the outer surface between the flat blade and the surrounding sheath that wraps around the stem. The ligule sits on the inner side of that same junction as a small, membranous structure, which helps distinguish it from the collar. The blade and the sheath themselves are the separate parts of the leaf, with the blade being the photosynthetic part and the sheath wrapping around the stem. So the outer seam where blade meets sheath is the collar.

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