Nitella

Description

Nitella, or stonewort, is a soft, green, branched alga with a smooth texture, lacking true leaves and stems but possessing distinct branches that grow in whorls along a main axis.

Key Characteristics

Structure: Nitella is a complex macroalga with a main axis and multiple, forked branches that grow in whorls at regular intervals, resembling leaves.

Texture & Odor: Unlike the similar Chara, Nitella has a soft, smooth, and sometimes slimy texture and does not emit any foul odor when crushed.

Color: The plant typically presents as light to dark green.

Lack of True Parts: It does not have true roots, stems, or leaves.

Habitat: Prefers environments exposed to direct sunlight, such as ponds and lakes.

Growth: Grows as a submerged plant and does not typically extend above the water surface.

Ecological Role

Habitat Formation:

Provides shelter and habitat for micro and macro invertebrates in aquatic ecosystems.

Food Source:

The invertebrates living within its branches serve as a food source for fish and other aquatic animals.