Hohenbergia magnispina

Description

Hohenbergia magnispina is a spectacular botanical bromeliad native to Bahia, Brazil. It is distinguished by its bottle-shaped rosette, thick foliage that can develop dark green to reddish-purple tones and especially by its prominent marginal spines, one of the defining features of the species.

Its bold, sculptural and highly graphic appearance makes it an outstanding collector plant for large tropical terrariums, greenhouses, paludariums and displays requiring a bromeliad with strong visual character.

Botanical family

Bromeliaceae

Genus

Hohenbergia

Species

Hohenbergia magnispina Leme

Origin

Hohenbergia magnispina is native to Bahia, Brazil. The type material was collected in the Chapada Diamantina region between Morro do Chapéu and Bonito. It naturally grows on rocky substrates within campos rupestres vegetation associated with quartzite and sandstone outcrops.

Foliage

The plant develops a subtubular to narrowly ellipsoid, bottle-shaped rosette. The leaves are thick, leathery and relatively rigid.

Foliage can range from green to dark reddish-purple depending on light intensity and growing conditions. The margins carry prominent triangular spines, often curved backwards, measuring approximately 4 to 9 mm.

Growth habit and development

Hohenbergia magnispina develops a strongly upright and architectural habit. When flowering, the plant can reach approximately 90 cm in total height, mainly because of its long flower spike.

Individual leaf blades can reach approximately 18 to 40 cm long and 3 to 5 cm wide, making mature plants best suited to medium and large displays.

Natural habitat

The species naturally grows as a saxicolous bromeliad in campos rupestres, rocky highland environments characterised by nutrient-poor substrates, strong light exposure and periods of water stress.

Terrarium compatibility

• Large tropical terrarium: Yes
• Bioactive terrarium: Yes
• Paludarium: Yes, in an emerged and well-drained section
• Tropical vivarium: Yes
• Saxicolous cultivation: Excellent
• Rockscape cultivation: Excellent
• Nano terrarium: No
• Tropical greenhouse: Yes, excellent

Saxicolous cultivation

This species is particularly well suited to mineral, highly free-draining substrates or rock-based displays.

Its natural habitat indicates a strong preference for airy and well-drained conditions. Heavy, permanently waterlogged substrates should therefore be avoided.

Recommended substrate

Use a highly free-draining mixture containing volcanic rock, pumice, perlite, bark and only a small proportion of organic material.

The substrate can partially dry between waterings while maintaining enough moisture for steady growth.

Watering

Water regularly during active growth while allowing the growing medium to remain well aerated between applications.

Like other tank-forming bromeliads, the rosette can hold water in its centre. Soft or low-mineral water is preferable and should be refreshed regularly.

Humidity

Humidity of approximately 50% to 80% is suitable when combined with excellent airflow.

Its rocky, exposed habitat makes it more tolerant of slightly drier periods than many strictly rainforest bromeliads.

Temperature

Ideal growing temperature: approximately 18°C to 28°C.

Avoid prolonged cold conditions and protect the plant from frost.

Light

Hohenbergia magnispina prefers bright to very bright light. Strong lighting helps maintain a compact rosette and generally promotes darker red to purple foliage tones.

Gradual acclimation is recommended before exposing the plant to intense direct sunlight.

Growth

Slow to moderate growth. The species gradually develops a thick, robust and highly architectural rosette.

Flowering

At maturity, Hohenbergia magnispina produces a tall upright flower spike, dark reddish-purple in colour, reaching approximately 65 cm long.

The inflorescence is narrow, branched and cylindrical with pale pink bracts and compact branches, bringing the total flowering height to approximately 90 cm.

Propagation

Propagation can be carried out by separating offsets once sufficiently developed or from seed for botanical collections.

Maintenance

Remove old or damaged leaves carefully because of the prominent marginal spines.

Gloves are recommended when repotting or handling mature specimens.

Fertilisation

Use a very weakly dosed bromeliad fertiliser during active growth.

Avoid high fertiliser concentrations, especially in mineral substrates where salts can accumulate quickly.

Why choose Hohenbergia magnispina?

Hohenbergia magnispina is a true botanical collector bromeliad valued for its Bahia origin, bottle-shaped rosette and unusually large marginal spines.

Its dark green to reddish-purple foliage and strongly structured habit make it an exceptional focal plant for tropical or rocky displays.

JungleBox advice

Grow Hohenbergia magnispina in a very bright and highly free-draining position. A display combining volcanic rock, natural roots and lower-growing plants will highlight its architectural shape.

Allow plenty of space around the plant and avoid positioning it along frequently accessed areas, as its marginal spines are particularly prominent.

Additional information

• Botanical name: Hohenbergia magnispina
• Author: Leme
• Family: Bromeliaceae
• Origin: Bahia, Brazil
• Type locality: Chapada Diamantina
• Type: Saxicolous bromeliad
• Habitat: Campos rupestres
• Foliage: Green to dark reddish-purple
• Distinctive feature: Large recurved marginal spines
• Leaf length: Approximately 18 to 40 cm
• Flowering height: Approximately 90 cm
• Exposure: Bright to very bright light
• Humidity: 50 to 80%
• Temperature: 18 to 28°C
• Growth rate: Slow to moderate
• Saxicolous cultivation: Excellent
• Large tropical terrarium compatible: Yes
• Paludarium compatible: Yes, emerged section
• Nano terrarium compatible: No