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Herbaceous plant with grassy morphology
This article is about plants with a grass-like appearance. For the clade containing Poaceae and some related families, see
Graminid clade.
In botany and ecology, a graminoid refers to a herbaceous plant with a grass-like morphology,[1] i.e., elongated culms with long, blade-like leaves. They are contrasted with forbs, herbaceous plants without grass-like features.
The plants most often referred to include the families Poaceae (grasses in the strict sense), Cyperaceae (sedges), and Juncaceae (rushes). These are not closely related but belong to different clades in the order Poales. The grasses (Poaceae) are by far the largest family, with some 12,000 species.
Besides their similar morphology, graminoids share a widespread occurrence and often dominance in open habitats such as grasslands or marshes. They can, however, also be found in the understory of forests. Sedges and rushes tend to prefer wetter habitats than grasses.
Look up
graminoid in Wiktionary, the free dictionary.
The word graminoid is derived from the Latin grāmen, meaning both “grass” and “herb”, with the suffix -oid denoting “-like; resembling, characteristic of”.
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