Hygrophila costata Sinning

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Hygrophila costata, with the common names glush weed, gulf swampweed, and yerba de hicotea, is an aquatic plant.

The plant is endemic is native to Neotropic ecoregions. It is native to Florida, the Caribbean, southern Mexico, Central America, and South America.

This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius, and is found in the Cerrado ecoregion of Brazil.

In addition, Hygrophila costata is an invasive and dominating species in several parts of the world included Australia because this plant is usually like a freshwater aquarium plant.

Hygrophila costata - Wikipedia

Most Hygrophila species in the aquarium hobby originate from Asia, but Hygrophila costata is native to North to South America. This species is also known as Hygrophila guyanensis and is very variable, with different forms. Our offered plant forms light to medium green, very narrow-lanceolate, almost ribbon-shaped underwater leaves. It has been confused with the similar Hygrophila corymbosa "Angustifolia", but identified as H. costata by its flowers in the terrestrial form. The upright, strong, about 4 mm thick, smooth, rounded square stems grow over 40 cm tall. The internodes (stem segments between the nodes) are approx. 4 - 5 cm long. The submerged leaves, including the stem, grow to about 20 - 24 cm long and 8 - 10 mm wide.
When the plant grows in the terrestrial form, it develops a broader leaf shape. Small white flowers then appear in the leaf axils. Hygrophila costata is usually supplied in the emersed form and then forms submerged, clearly narrower-leaved shoots in the aquarium.

The Gulf swampweed is not too demanding, but should not be lit too dimly. Before it reaches the water surface, it should be cut back. The cut shoots can be placed in the soil as head cuttings. In tanks without a cover, Hygrophila costata can also be left to grow out of the water as a semi-emerged plant. The plant then forms strong, tall bushes with quite woody stems.

Hygrophila costata looks decorative as a larger group in the mid to background. With its upright, strong stems it creates a vertical structure. The long, narrow, flexible leaves sway in the water current. The Guyanese Water Lily is well suited, for example, to biotope pools that are modelled on a strongly flowing stream or river in tropical America. The plant is also well suited as a semi-emerged plant growing out of the water in open aquariums or as a taller marsh plant in paludariums.

Hygrophila costata | Aquasabi - Aquascaping Shop

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