Staurogyne sp. 'Porto Velho'

Overview

Staurogyne sp. 'Porto Velho' is a relatively uncommon aquatic plant believed to originate from the Porto Velho region of Brazil. It is valued for its narrow leaves, compact growth, and the ability to develop subtle purple or bronze tones under strong lighting.

It is often considered a more dramatic-looking relative of Staurogyne repens, with a wilder and more textured appearance.

Appearance

Leaves

• Long, narrow, lance-shaped leaves.

• Pointed leaf tips.

• Smooth leaf surface.

• More slender than Staurogyne repens.

Color

Depending on conditions:

• Bright green

• Olive green

• Dark green

• Bronze-green

• Purple-green highlights

Strong light and good nutrition can bring out reddish-purple hues in stems and leaves.

Growth Habit

• Creeping to semi-upright growth.

• Produces numerous side shoots.

• Forms dense bushes when regularly trimmed.

• Can spread horizontally across the substrate.

• Creates a natural shrub-like appearance.

Unlike many stem plants, it tends to remain relatively compact.

Size

Typical submerged dimensions:

• Height: 5–15 cm

• Width: Expands continuously through branching

Suitable for:

• Foreground

• Midground

• Nano aquariums

• Transition zones

Difficulty

Easy to Medium

It is generally:

• Easier than most red stem plants.

• Slightly more demanding than Staurogyne repens.

• Adaptable to a wide range of aquarium conditions.

Once established, it is usually hardy and resilient.

Lighting Requirements

Low Light

• Survives well.

• Growth becomes taller and looser.

• Less compact structure.

• Purple coloration usually disappears.

Medium Light

• Compact growth.

• Healthy coloration.

• Good branching.

High Light

• Dense bush formation.

• Strongest coloration.

• Best overall appearance.

CO₂ Requirements

Without CO₂

Can grow successfully in low-tech aquariums.

Expected results:

• Slower growth.

• Less compact form.

• Reduced coloration.

With CO₂

Benefits include:

• Faster growth.

• Increased branching.

• Better coloration.

• Stronger root development.

Although not mandatory, CO₂ significantly improves appearance.

Water Parameters

Preferred range:

• Temperature: 20–28°C

• pH: 5.5–7.5

• Soft to moderately hard water

• Stable conditions

The plant is reasonably adaptable but performs best in stable aquariums.

Nutrient Requirements

Requires a balanced nutrient supply.

Macronutrients

• Nitrogen

• Phosphorus

• Potassium

Micronutrients

• Iron

• Trace elements

Consistent fertilization promotes:

• Dense growth

• Better color

• Faster spreading

Substrate

Best results occur in:

• Aquasoil

• Nutrient-rich planted substrates

• Sand or gravel supplemented with root tabs

A rich substrate encourages stronger root systems and faster establishment.

Aquascaping Uses

Foreground

Can form:

• Low shrubs

• Dense green patches

• Natural transitions

Midground

Useful for:

• Bush formations

• Structural contrast

• Filling gaps between hardscape elements

Nano Tanks

Often used as:

• Primary focal plant

• Compact bush

• Main structural planting

Trimming

Regular trimming improves appearance.

Method

1. Cut the tallest shoots.

2. Replant healthy tops if desired.

3. Remove shaded growth.

4. Allow side shoots to develop.

Benefits:

• Denser growth.

• Better carpeting.

• More branching.

• Improved shape.

Propagation

Very easy.

Methods include:

• Stem cuttings

• Side shoots

• Replanted tops

Roots typically develop quickly in healthy conditions.

Common Problems

Comparison with Staurogyne repens

Strengths

• Unique narrow-leaf appearance.

• Attractive purple highlights under strong light.

• Works in foreground and midground.

• Suitable for nano aquariums.

• Tolerates repeated trimming.

• Adaptable to both low-tech and high-tech setups.

• Creates a natural, shrub-like look.

Weaknesses

• Slower growth than some common stem plants.

• Purple coloration is not guaranteed.

• Can take time to establish.

• Less readily available than Staurogyne repens.

Ideal Setup

For the best results:

• Medium to high lighting

• Nutrient-rich aquasoil

• Consistent fertilization

• Stable CO₂ (recommended but not required)

• Good water circulation

• Regular trimming

Staurogyne sp. 'Porto Velho' is one of the more distinctive compact plants available to aquascapers. Its narrow leaves, creeping habit, and occasional purple coloration make it an excellent choice for creating natural-looking bushes and transitions in both nano and larger planted aquariums.