Narrow leaf eelgrass
Vallisneria gracilis ("nana")
Narrow leaf eelgrass
- Very narrow-leaved Vallisneria
- Grasslike background plant
- Very popular in aquascaping
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When supplied as a potted plant and/or bunch, it is very important that it is not planted in direct company of invertebrates. The plant should be watered for at least a week - with regular water changes - before introducing it into your aquarium. The plant nurseries commonly use raw material from Asia for these variants. When planted into an existing ecosystem, it is possible that invertebrates could be harmed. There should be no issues with a new set-up - but regular water changes are advised as well.
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Description
The Australian dwarf Vallisneria is a high-contrast plant with its very narrow leaves. It is the most popular Vallisneria species in aquascaping.
This plant was originally introduced from Australia under the name Vallisneria gracilis, which was later regarded as a synonym of Vallisneria nana. After it then became generally known in the hobby and trade as V. nana, V. gracilis was recognized as a separate species again in 2008. True Vallisneria nana is a variable species, which generally develops longer and broader, often reddish-colored leaves compared to V. gracilis. Both species are native to the northern tropical regions of Australia.
Although the dwarf Vallisneria is not a difficult plant, it should be given an open, bright spot. A good supply of nutrients and CO2 is very beneficial for its growth. Like other Vallisnerias, it reproduces profusely by runners once it has established itself.
Vallisneria gracilis is particularly recommended for midground to background planting. With its fine foliage, it goes well with minimalist layouts dominated by grassy ground cover plants such as Eleocharis species.
Vallisneria nana is a relatively new addition to the aquarium hobby and comes from North Australia. In the habitat it only reaches heights of around 15 cm, from which its species name, meaning dwarf, derives. In aquariums it can grow to a height of around 70 cm, though, if it is not cut back.
Its light green ribbon-shaped rosulate leaves growing make V. nana a great contrast plant for the middle- as well as for the background of a tank. Once established, V. nana forms many runners. The chains of plants that are thus created sometimes form dense curtains that can cover the entire back of the tank.
In contrast to other Vallisneria species, V. nana is a little more demanding regarding light intensity. Its ideal range starts at 0.4 watt/l and above. (read more)
| Common names | Narrow Leaf Eelgrass |
| Synonyms | Vallisneria gigantea Graebner |
| Complete botanical name | Vallisnéria nána R. Br. |
| Family | Hydrocharitaceae |
| Genus | Vallisneria |
| Difficulty | easy |
| Usage | Background, Midground |
| Growth | medium |
| pH value | 6 - 8 |
| Temperature tolerance | 15 - 30°C |
| Carbonate hardness | 2 - 21°dKH |
| General hardness | 0 - 30°dGH |
| Propagation | Runners |
| Can grow emersed? | no |
| Source | Flowgrow |
| Common names |
| Narrow Leaf Eelgrass |
| Synonyms |
| Vallisneria gigantea Graebner |
| Complete botanical name |
| Vallisnéria nána R. Br. |
| Family |
| Hydrocharitaceae |
| Genus |
| Vallisneria |
| Difficulty |
| easy |
| Usage |
| Background, Midground |
| Growth |
| medium |
| pH value |
| 6 - 8 |
| Temperature tolerance |
| 15 - 30°C |
| Carbonate hardness |
| 2 - 21°dKH |
| General hardness |
| 0 - 30°dGH |
| Propagation |
| Runners |
| Can grow emersed? |
| no |
| Source |
| Flowgrow |
General information
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Customer reviews
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Impeccabili! Spedizione velocissima e piante di ottima qualità arrivate integre ed in buona salute. Consigliato a tutti neofiti ed esperti
Awesome, fresh and healthy plant..Delivery within 24 hours..I was not confident and happy to pay DHL express, but the service is just amazing!!! (read more)