Graminoid

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.

The plants most often referred to include the families Poaceae (grasses in the strict sense), Cyperaceae (sedges), and Juncaceae (rushes).

Besides their similar morphology, graminoids share a widespread occurrence and often dominance in open habitats such as grasslands or marshes.

Sedges and rushes tend to prefer wetter habitats than grasses.

The word graminoid is derived from Latin grāmen 'grass; herb', with the suffix -oid denoting '-like; resembling, characteristic of'.