Difference between Grass and Sedge - Detailed Comparison | Testbook

Last Updated on Jul 31, 2023
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Grass

The Poaceae or Gramineae family comprises of flowering plants known as grasses, which also include cereal crops and bamboo.

Grasses are characterized by hollow stems (with the exception of nodes) and slender leaves, which are alternately arranged in two ranks. The base of these leaves encircles the stem, forming an open sheath.

Grasslands make up a significant portion of

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Rushes are herbaceous monocotyledons that resemble sedges and grasses. They belong to a separate family called Juncaceae. They are mostly exclusive to wetland habitats. Example – Juncus bufonius (toad rush).

Graminoids are herbaceous grass-like plants. It includes three major families, namely – Juncaceae (rushes), Poaceae (grasses) and Cyperaceae (sedges). These graminoids are widespread across different habitats.

Achene is a simple dry fruit seen in most flowering plants. They are usually formed from one carpel. Also, they do not split open at maturity (indehiscent). Achene usually has a seed-like appearance, but it is actually a fruit with a seed. Examples are quinoa, buckwheat, amaranth, caraway, etc. Strawberry is a composite fruit made up of a group of achenes.

The stem of the sedge is triangular and solid. Their leaves are arranged spirally in three ranks. Their leaf sheath is closed, and the fruits are achene.


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