Myriophyllum tuberculatum

Red watermilfoil

Myriophyllum tuberculatum

Red watermilfoil

(3 ratings)

Also known as "Myriophyllum mattogrossense Red"
Intense red colours
Fine-leaved
Loosely upright, bushy growth habit

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Middle ground

Background

Accent (color)

Street (Dutch style)

Aquarium Plant Characteristics

Difficulty Difficult

Growth Fast

Light High

Maximum water hardness for this aquarium plant in the aquarium

Water hardness max. Soft

Recommended care height 15-40 cm

CO2 Yes

Variation

in Vitro XL - Ø 8,5 cm (out of stock)

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Description

The Red Watermilfoil combines red coloration with fine feather-like leaves. It was erroneously called Myriophyllum mattogrossense for a long time and even today it is often sold with the label M. mattogrossense 'Red'. It differs much from the true, green M. mattogrossense from South America.

This milfoil from tropical Asia demands high light, CO₂ and nutrient levels to unfold its full splendour. It becomes 20-60 cm tall and each stem 3-4 cm wide. This species is fast growing and must be trimmed often to keep a dense, compact growth. Cutted stems can be planted next to the group to obtain an ever denser group.

With its red to orange-red colour, a group of Myriophyllum tuberculatum in the midground of an aquarium is a real eyecatcher and contrasts effectively to green fine-textured plants.

Distribution map of Myriophyllum tuberculatum

Myriophyllum tuberculatum populates slow-flowing and stagnant waters in the Asian tropics. In Europe, this milfoil is readily available in trade, in the US, however, it is not very widely spread yet. Most shops and online shops there erroneously carry another, less spectacular reddish-brown Myriophyllum native to Florida under that name.

The red watermilfoil was (and sometimes still is) sold for around 20 years under the erroneuous names M. mattogrossense and M. pinnatum. However, in 1994 it was identified as M. tuberculatum by botanist A. E. Orchard - after true, green M. mattogrossense had been imported from Ecuador by Christel Kasselmann in 1990.

M. tuberculatum is rather difficult in cultivation. It needs intensive light with at least 0.8 watts per litre, and CO2 injection is indispensable. Nitrates and phosphates should be maintained on a good level (5 to 15 and 1 to 2 mg/l, respectively). None of these main nutrients should ever fall to zero, otherwise the plant growth will be stunted. M. tuberculatum needs more iron and trace nutrients than most other stem plants. Without sufficient micronutrients the stems of this species remain very dark and small, and if there is an extreme deficit, the formative tissue of the shoot tip dies off. Under favourable conditions, the leaf whorls of M. tuberculatum can grow to a maximum diameter of around 10 cm and attain a rusty red colour.

Under good conditions this milfoil grows quickly to the water surface, where it grows lots of lateral shoots and develops a bushy habit. This species is best trimmed by removing the old stem and re-planting the strong upper part, as the rooted lower part only sprouts new shoots relatively slowly. For propagation, just cut off a lateral shoot and re-plant into the substrate.

As any other red stem plant, this species is highly recommendable for setting colourful accents. A healthy group of M. tuberculatum is a real eyecatcher, a stunning fireball that draws all eyes. The plant is a great accompaniment for green Myriophyllum and Limnophila species. Its finely-structured leaves and its moderate size also makes it suitable for smaller planted tanks.

Common names	Red foxtail
Misapplied names	Myriophyllum mattogrossense, Myriophyllum mattogrossense ''rot''
Complete botanical name	Myriophýllum tuberculátum Roxb.
Family	Haloragaceae
Genus	Myriophyllum
Difficulty	difficult
Usage	Accent (red), Background, Midground, Street (Dutch style)
Aquascaping	fine-leaved, very colourful plant for accents
Growth	fast
pH value	5 - 7
Temperature tolerance	4 - 28°C
Carbonate hardness	0 - 8°dKH
General hardness	0 - 30°dGH
Propagation	Cuttings
Can grow emersed?	yes
Source	Flowgrow

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3 Reviews

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Sara D.

Beautiful plant

29th January 2020

Myriophyllum tuberculatum

Great bunch with lots of plants. The orange tint appears under strong light and is very beautiful. I'd rate the plant itself as rather finicky.

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Schöne Pflanze

Toller Bund mit vielen Pflanzen. Der orange Farbton entsteht bei viel Licht und ist sehr schön. Die Pflanze an sich würde ich eher als heikel einstufen.

Kaisa M.

Very nice looking watermilfoils

9th July 2019

Myriophyllum tuberculatum

Came fast and in good shape, also was same sized as in picture and other one was bit bigger, as I ordered two :) Has been growing bit after receiving them so hoping that plants...