Helanthium tenellum "parvulum"

Datasheet

General Description

Helanthium tenellum "parvulum," a variant of Helanthium tenellum, is characterized by its light green coloration and typically smaller, wider leaves. Originally sourced from North America, this plant was formerly recognized as Echinodorus tenellus. The submerged leaves are light green, around 2 mm wide, and widest below the middle. Notably, the plant often mistaken for H. tenellum today was likely imported from the American tropics, exhibiting olive green-reddish hued, longer, narrower leaves that are widest above the middle.

Aquarium Suitability

Considered suitable for aquariums, Helanthium tenellum "parvulum" thrives in aquatic environments and is known for relatively easy care requirements and moderate growth rate. For specific demands and hardiness, refer to the following table:

| Parameter            | Range          ||---------------------- | -------------- || CO2                  | 20-40 mg/l     || Carbonate Hardness   | 0-14           || Iron (Fe)            | 0.01-0.5 mg/l  || Light                | Medium-High    || Nitrate (NO3-)       | 10-50 mg/l     || pH Value             | 5-7.5          || Phosphate (PO43-)    | 0.1-3 mg/l     || Potassium (K+)       | 5-30 mg/l      || Temperature          | 18-26°C        || Temp. Tolerance      | 10-30°C        |

Aquascaping & Usage

Ideal for nano tanks, Helanthium tenellum "parvulum" is often utilized in the foreground as a group or as ground cover, contributing to a grass-like lawn aesthetic within the aquarium setup.

Propagation

Propagation of Helanthium tenellum "parvulum" occurs through the formation of runners, allowing the plant to expand and fill out the desired aquarium space.

Habitat and Distribution

This plant species is native to regions in Eastern and southeastern USA, although the exact locales of the cultivated aquarium strains remain unspecified.