Anthurium seibertii Croat & R.A.Baker

• Genus: Anthurium
• Botanical Background: Has contributed to a deeper understanding of tropical plant diversity and the evolutionary relationships within Anthurium.

• Geographical Range: Indigenous to select areas in South America, where it grows in tropical and subtropical rainforests.
• Environment: Humid, shaded understories with well-draining soils, benefiting from the filtered light typical of dense forest canopies.

Leaves

• Large, glossy, heart-shaped leaves
•  Deep green hues with subtle venation

Inflorescence (Spadix & Spathe)

• Comprises a slender spadix
• Modest spathe that transitions from green to lighter tones

Growth Habit

• Terrestrial epiphyte
• Forms clumps via robust roots
• Grow as an understory plant, utilizing both the forest floor and supporting surfaces

Light Requirements

• Bright, indirect light

Watering & Humidity

• Regular watering is essential
• Keep medium consistently moist without waterlogging
• High humidity

Soil & Potting Mix

• A loose, organic-rich potting mix with excellent drainage—such as a blend of peat, perlite, and orchid bark 

Temperature & Fertilizer

• Temperatures between 65°F and 80°F
• Feeding with a balanced liquid fertilizer during the growing season

Division and Stem Cuttings

• Most common propagation method is rhizome division
• Offsets can be carefully separated to produce new plants

Seeds

• Less common due to slower growth rates and variable germination, making division the preferred method

Typical Issues

• Mealybugs and spider mites
• Root rot

Treatment Recommendations

• Insecticidal soap
• Appropriate watering practices

• Rarity and distinct morphology

• Unusual foliage and elegant inflorescence 
• A prized specimen for specialized aroid collections

Wild Population Status

• Limited distribution
• Habitat pressures such as deforestation are considered vulnerable

Market Availability

• Relatively rare in cultivation
• Available only through specialized nurseries or dedicated plant societies