Pogostemon stellatus

Water star

Pogostemon stellatus

Water star

  • Fine-leaved large stem plant
  • Reddish-purple to orange colours
  • Eyecatcher for large tanks
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Description

The Water star is a beautiful fine-leaved, relatively large stem plant from wetlands in tropical Asia and Australia. Pogostemon stellatus, also known as Eusteralis stellata and Dysophylla stellata, is a variable species that also includes broad leaved forms like "Broad Leaf". One of the narrow-leaf forms is partly labeled as P. stellatus "Strong" but has the same fine submerged foliage as other "normal" P. stellatus.
The Water star is mostly delivered in its emersed (terrestrial) form, with green leaves. Planted into the aquarium, it unfolds its whole splendour, growing new shoots with very narrow, light green to reddish purple leaves in whorls. The shoots get more than 10 cm in diameter and are branched.

Pogostemon stellatus needs rather strong light, addition of CO2 and a good nutrient supply. Micronutrient deficiencies may lead to pale leaves. The plant is a good indicator for the nutrient situation in the tank. Pogostemon stellatus prefers higher temperatures (approx. 24-28 °C) and soft to medium-hard water. Growth may stagnate from time to time even though the conditions are good. It is easily propagated by cuttings.

Pogostemon stellatus looks most magnificent as a group or large bush in the midground to background of large aquariums. Occasional trimming promotes bushy growth. The plant is also suited as emersed plant for well-lit paludariums and Wabi-Kusa, however its emersed green leaves are rather inconspicuous. One can expect its pretty purple flower spikes under short day conditions (coherent dark phase of more than 12 hours per day).

Pogostemon stellatus is also known under the synonym Eusteralis stellata in aquaristics. It originates from swamps in East and Southeast Asia as well as in northern Australia. A lot of very different varietys of this species are found in nature as its area of distribution is vast.

Pogostemon stellatus is a breathtakingly beautiful plant, which has made it a very popular aquarium plant.
Unfortunately it is not easy to cultivate and has high requirements as to light and fertilisation. Insufficient light leads to leaf loss lower down on the stem. A constant CO2 supply is also a must if you want to enjoy your plant's beauty to the fullest.

Nitrate, phosphate and micronutrients should be added to the water column to ensure long-term success for cultivating this plant. The concentrations of nitrate (5-20 mg/l) and phosphate (0. (read more)

Common names Water star
Synonyms Dysophylla benthamiana Hance, Dysophylla stellata (Lour.) Benth., Eusteralis stellata (Lour.) Panigrahi
Complete botanical name Pogostémon stellátus (Lour.) Kuntze
Family Lamiaceae
Genus Pogostemon
Difficulty difficult
Usage Background, Midground
Growth fast
pH value 5 - 7
Temperature tolerance 15 - 32°C
Carbonate hardness 1 - 18°dKH
General hardness 0 - 30°dGH
Propagation Cuttings
Can grow emersed? yes
Source Flowgrow
Common names
Water star
Synonyms
Dysophylla benthamiana Hance, Dysophylla stellata (Lour.) Benth., Eusteralis stellata (Lour.) Panigrahi
Complete botanical name
Pogostémon stellátus (Lour.) Kuntze
Family
Lamiaceae
Genus
Pogostemon
Difficulty
difficult
Usage
Background, Midground
Growth
fast
pH value
5 - 7
Temperature tolerance
15 - 32°C
Carbonate hardness
1 - 18°dKH
General hardness
0 - 30°dGH
Propagation
Cuttings
Can grow emersed?
yes
Source
Flowgrow

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