Hemianthus micranthemoides, commonly known as "Pearlweed" or "Baby Tears," is a versatile and attractive aquatic plant popular in the aquarium hobby. It belongs to the Linderniaceae family and is native to North America, where it is found in marshes, bogs, and along the edges of ponds and streams.
-
Appearance: Hemianthus micranthemoides typically has small, bright green leaves that are arranged in opposite pairs along creeping stems. The leaves are oval-shaped and have a glossy appearance, giving them a "pearl-like" quality, which contributes to the common name "Pearlweed." In aquariums, it forms dense mats of vegetation under optimal conditions.
-
Habitat: In its natural habitat, Hemianthus micranthemoides grows partially submerged or emersed in shallow water. It prefers nutrient-rich substrates and moderate to high light levels. In the aquarium, it thrives in similar conditions and is often used as a foreground or midground plant in aquascaping layouts.
-
Growth Habit: Hemianthus micranthemoides is a fast-growing stem plant that can adapt to various aquatic environments. In aquariums, it spreads horizontally through creeping runners, forming dense carpets of vegetation. Regular pruning helps maintain its shape and prevent overcrowding.
-
Cultural Uses: This plant is highly valued in the aquarium hobby for its vibrant green coloration and low-maintenance requirements. It is often used to create lush foreground carpets or as a filler plant in aquascaping layouts. Hemianthus micranthemoides pairs well with other aquarium plants and adds visual interest to planted tanks and Dutch-style aquascapes.
-
Propagation: Propagation of Hemianthus micranthemoides is relatively straightforward and can be achieved through stem cuttings or by allowing the plant to produce runners. Healthy stems can be trimmed and replanted in the substrate, where they will take root and continue to grow. Regular pruning encourages branching and denser growth, resulting in a more lush appearance