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PlantFreshwaterIntermediate

Persicaria sp. 'Porto Velho'

Persicaria sp. 'Porto Velho'

Persicaria sp. 'Porto Velho' is a vibrant stem plant for the midground, known for its rapid growth and intense coloration. It is an excellent choice for adding dynamic flair and a striking pinkish-red hue to an aquascape, creating captivating focal points.

Taxonomy
Class:Liliopsida
Order:Caryophyllales
Family:Polygonaceae
Genus:Persicaria
Species:Persicaria sp. 'Porto Velho'

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Water Temperature

18 - 30 °C

pH Value

5 - 7

Water type

Freshwater

Light

Medium to High

CO2

High

KH

0 - 14 dKH

Species description

The name 'Porto Velho' suggests that this particular Persicaria variety was either discovered in or originates from the region of Porto Velho, a city located in Brazil, deep within the Amazon basin. This origin points to a natural habitat characterized by tropical or subtropical freshwater environments, typically found in marshy areas, along riverbanks, or in seasonally flooded zones, where the plant can thrive both submerged and emersed. Its native environment is often rich in nutrients and benefits from intense light conditions, factors that significantly influence its requirements in an aquarium setting. Belonging to the Polygonaceae family, the genus Persicaria encompasses numerous species with a wide global distribution. The 'sp.' designation indicates that it is an unidentified species at a formal taxonomic level, but the 'Porto Velho' epithet refers to a distinct ecotype or horticultural form collected from that specific locality.

Care, breeding and tankmates

This Persicaria thrives in a wide range of water conditions, tolerating temperatures between 18.0 and 30.0 °C, though warmer temperatures can further accelerate its metabolism. It prefers acidic to neutral pH, ideally between 5.0 and 7.0, but is adaptable. KH (carbonate hardness) can range from 0.0 to 14.0, indicating significant tolerance to various water hardness levels. However, maintaining stable values is crucial to avoid plant stress; careful monitoring of water chemistry is essential to ensure optimal parameters. One of the primary risks for Persicaria sp.

Geographic Origin and Distribution

This species originates from: Brazil, Amazon.

Origin

Amazon, Orinoco, and Guianas

Plant profile

Placement
Midground

When deciding where to place Persicaria sp. 'Porto Velho', the foreground to midground is generally the most ideal location. This placement allows the plant to showcase its unique form without being completely overshadowed by larger species. Ensure it receives adequate light penetration and water flow in this spot. Thoughtful positioning will greatly enhance the visual depth and balance of your aquascape.

Botanical form
Stem

Botanically, Persicaria sp. 'Porto Velho' grows as a creeping stem plant, forming interesting structures as it matures. Its leaf morphology and overall geometry add a beautiful texture to the aquatic layout. The distinct green with reddish hues hues provide excellent contrast against traditional green foliage. Understanding its natural growth habit is key to trimming and maintaining its shape.

Growth
Fast

The growth rate of Persicaria sp. 'Porto Velho' can be described as moderate under optimal conditions. Providing high light and stable CO2 injection will help maintain a consistent and healthy growth pace. In lower light or nutrient-poor setups, its development will noticeably slow down. Regular monitoring is advised to keep its growth pattern well-managed.

Substrate
High
Column fertilization
Recommended

Liquid water column fertilization is highly beneficial for Persicaria sp. 'Porto Velho'. It absorbs a significant portion of its required nutrients directly through its leaves. Dosing a balanced liquid fertilizer daily or weekly promotes vigorous growth and intense coloration. Be sure to provide ample potassium and trace elements to support its metabolic processes.

Root fertilization
Recommended

While water column dosing is crucial, Persicaria sp. 'Porto Velho' also benefits greatly from a nutrient-rich substrate. Root tabs can be inserted near its base to supply a steady stream of long-lasting nutrients. A good soil substrate encourages the development of a strong root system, anchoring the plant securely. This dual-feeding approach ensures maximum vitality and resilience.

Trimming
Regular

Trimming Persicaria sp. 'Porto Velho' requires a careful approach to encourage bushy and attractive regrowth. Use sharp aquascaping scissors to make clean cuts just above a healthy set of leaves or nodes. Regular pruning prevents the lower portions from becoming shaded and bare. The cuttings can often be replanted to propagate the species further.

Propagation
Cuttings

Propagating Persicaria sp. 'Porto Velho' is most commonly achieved through cuttings. By taking healthy sections and replanting or reattaching them, you can easily multiply your stock. Ensure the new pieces have access to sufficient light and nutrients to establish themselves quickly. Over time, these propagated sections will grow into entirely independent and lush plants.

Sensitivity
Moderate

Persicaria sp. 'Porto Velho' can be somewhat sensitive to sudden fluctuations in water parameters, particularly large pH or temperature swings. Algaecides and certain chemical treatments should be used with extreme caution. It requires a stable environment with consistent CO2 levels to prevent melting. Maintaining excellent water quality through regular changes is essential for its well-being.

Layout role
Midground, Background

In terms of aquascaping, Persicaria sp. 'Porto Velho' plays a vital role as a structural or accent element. Its creeping stem nature and green with reddish hues appearance make it perfect for creating focal points or softening hardscape lines. By grouping several stems or patches together, you can achieve a dense and visually striking effect. It seamlessly bridges the gap between different zones in the aquarium.

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

Related species

Recommendations grouped by close relatives, companion choices, and similar care.

Variants and close relatives

Same atlas type, nearby scientific identity, genus, or family.

Persicaria hydropiperoides

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Persicaria praetermissa

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Persicaria sp. 'Kawagoeanum'

Persicaria sp. 'Kawagoeanum'

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Persicaria sp. 'Sao Paulo'

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Persicaria sp. "acre"

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Polygonum sp. "acre"

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Polygonum hydropiperoides

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Polygonum praetermissum

Polygonum praetermissum

Polygonum praetermissum

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Polygonum sp. 'Porto Velho'

Polygonum sp. 'Porto Velho'

Polygonum sp. 'Porto Velho'

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Polygonum sp. 'Sao Paulo'

Polygonum sp. 'Sao Paulo'

Polygonum sp. 'Sao Paulo'

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Polygonum sp. "Kawagoeanum"

Polygonum sp. "Kawagoeanum"

Polygonum sp. "Kawagoeanum"

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Similar care

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Last updated: 06/16/2026
Persicaria sp. 'Porto Velho' Care Guide & Tank Setup | Atlarium