Potamogeton pusillus
Encyclopedia
Potamogeton pusillus is a species of aquatic plant
known by the common name small pondweed. It has a Circumboreal
distribution, occurring throughout the northern Northern Hemisphere. It grows in water bodies such as ponds, lakes, ditches, vernal pool
s, and slow-moving streams. This is a superficially grasslike herb producing a very slender, branching stem easily exceeding one meter in length. The leaves are threadlike and delicate to linear and coarse, and measure a few centimeters in length. The inflorescence
is a spike of flowers arranged in interrupted whorls. Turions are often present.
Aquatic plant
Aquatic plants are plants that have adapted to living in aquatic environments. They are also referred to as hydrophytes or aquatic macrophytes. These plants require special adaptations for living submerged in water, or at the water's surface. Aquatic plants can only grow in water or in soil that is...
known by the common name small pondweed. It has a Circumboreal
Circumboreal Region
The Circumboreal Region is a floristic region within the Holarctic Kingdom in Eurasia and North America, as delineated by such geobotanists as Josias Braun-Blanquet and Armen Takhtajan....
distribution, occurring throughout the northern Northern Hemisphere. It grows in water bodies such as ponds, lakes, ditches, vernal pool
Vernal pool
Vernal pools, also called vernal ponds or ephemeral pools, are temporary pools of water. They are usually devoid of fish, and thus allow the safe development of natal amphibian and insect species...
s, and slow-moving streams. This is a superficially grasslike herb producing a very slender, branching stem easily exceeding one meter in length. The leaves are threadlike and delicate to linear and coarse, and measure a few centimeters in length. The inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...
is a spike of flowers arranged in interrupted whorls. Turions are often present.