Alternanthera reineckii

Scarlet Temple

Image of Alternanthera reineckii

Scientific Classification

Kingdom:Plantae
Phylum:Tracheophytes
Class:Magnoliopsida
Order:Caryophyllales
Family:Amaranthaceae
Genus:Alternanthera
Species:reineckii

Quick Stats

Difficulty
Medium
Environment
Freshwater
Temperature
22°C - 28°C
pH Level
6 - 7.5
Water Hardness
36 - 215 ppm
Growth
Moderate
Lighting
Medium - High
Max Height
20-50 cm
Placement
Midground
CO2 Requirements
Medium
Water Flow
Low Flow

About This Species

Basic Description

Scarlet Temple is a popular aquarium plant known for its vibrant red and magenta leaves, creating a beautiful focal point. It's best placed in the middle of the tank to show off its color. While it requires a bit more care than some beginner plants, the visual reward is significant. It also helps keep the water clean by absorbing nutrients.

Detailed Description

To bring out the intense reddish-purple hues of Alternanthera reineckii, strong illumination and supplemental CO2 are highly recommended. It’s a stem plant propagated by trimming top portions and replanting them into a nutrient-rich substrate. Regular fertilization, especially with iron, is key to ensuring vibrant, healthy growth in a stable freshwater environment that avoids extremes in hardness or pH. This plant prefers gentle water movement, which prevents damage to its leaves.

Scientific Description

Alternanthera reineckii, a species in the Amaranthaceae family, is native to South American floodplains. As a tracheophyte, it has a vascular system for nutrient transport. In a closed aquatic system, it is a moderate oxygen producer and contributes to bioremediation by absorbing excess nitrates and phosphates from the water column and substrate, thereby reducing the bioload. Its adaptability to various substrate types like sand or gravel makes it versatile for different aquascapes.

Aquarium Building Information

Max Height

20-50 cm

Placement

Midground

Substrate

Soil, Sand, Gravel

Attachment Method

Substrate (roots in substrate)

Growth Requirements

Lighting

Medium - High

Growth

Moderate

CO2 Requirements

Medium

Water Flow

Low Flow

plants.aquariumBenefits

Oxygen Production

Medium

Waste reduction

Medium


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