Ammannia multiflora

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Fast-growing, uncomplicated stem plant
Upright, regular growth habit
Attractive light green, yellow-green and reddish tones
Particularly suitable for the Dutch style
Also suitable as a semi-emersed plant for open tanks

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Aquarium Plant Characteristics

Difficulty Medium

Growth Fast

Light Medium

Maximum water hardness for this aquarium plant in the aquarium

Water hardness max. Soft

CO2 Yes

Variation

in Vitro - Ø 5,5 cm

starting at

€

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Description

Ammannia multiflora is still little known as an aquarium plant. The Many-flower Ammannia, or Jerry-jerry as it is called in Australia, is an annual wetland plant from the tropics and subtropics of Africa, Asia and Australia, where it also occurs as a rice field weed. The species differs only slightly from Ammannia auriculata. Underwater it grows with strong, upright shoots that can become about 14 cm wide. The stems are light green, but reddish at the nodes and shoot tips. The elongate-lanceolate leaves reach about 6–8 cm in length and 1.5 cm in width when submerged and show a fresh green, often with yellowish to slightly reddish tones at the shoot tips. In its terrestrial form, the leaves remain smaller and narrower, and the plant produces numerous small pink flowers in the leaf axils. After flowering, small round seed capsules develop.

According to our experience, the many-flowered Ammannia is an uncomplicated and very fast-growing stem plant. However, so far we have kept it only in soft water, under intense lighting, with CO₂ addition and full nutrient supply via the water column, and not yet tested it under higher carbonate hardness and moderate lighting. But we have never observed growth disorders in A. multiflora, such as those that occur in Ammannia gracilis even with slight nutrient imbalances. The plant looks best when allowed to grow to a height of about 30–40 cm. Due to its rapid growth, regular trimming is necessary, otherwise, the plant will grow out of the water and start to flower. Propagation is easily achieved through top cuttings.

With its regular, strictly upright growth habit, Ammannia multiflora is particularly suitable for tall planted aquariums in the Dutch style. Its colour range from fresh green to light reddish tones forms a beautiful contrast to dark plants and dark hardscape. The species is especially effective as a background plant in tanks over 40 cm in height. In open aquariums it can also be attractively grown in a semi-emersed form, and it is equally suitable for well-lit paludariums.