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Anthurium iltisii Croat

Introduction & Overview

Common and Scientific Names

  • Scientific Name: Anthurium iltisii Croat
  • Common Name:  Iltis’s anthurium

Quick Facts

  • Origin: Native to tropical regions of South America
  • Features: Attractive, glossy foliage and subtle leaf patterns

Taxonomy & Classification

  • Genus: Anthurium 
  • Botanical Background: Described by the esteemed botanist Thomas Croat, the species reflects ongoing botanical research into aroids and contributes to the rich diversity documented in specialized studies and databases.

Natural Habitat & Distribution

  • Geographical Range: Indigenous to the tropical forests of South America, with populations reported from regions such as Ecuador and possibly parts of Colombia
  • Environment: Thrives in warm, humid conditions with dappled light. It prefers well-draining, organically rich soils typical of tropical rainforest understories

Morphological Characteristics

Leaves

  • Large, heart-shaped leaves
  • Glossy finish 
  • Subtle veining
  • Margins may occasionally show a slight reddish tinge, adding to its visual interest

Inflorescence (Spadix & Spathe)

  • Modest inflorescence where the spathe displays muted tones and the spadix attracts specialized pollinators through its unique structure

Growth Habit

  • Terrestrial, grows in clumps and develops a modest, rhizomatous structure that supports its spread in natural settings

Cultivation & Care

Light Requirements

  • Bright, indirect light
  • Direct sunlight should be avoided to prevent leaf scorch

Watering & Humidity

  • Requires regular watering to keep the soil consistently moist while ensuring excellent drainage
  • High humidity levels are essential for optimal growth

Soil & Potting Mix

  • A loose, well-draining potting mix enriched with organic matter is ideal

Temperature & Fertilizer

  • Maintain temperatures between 65°F and 80°F
  • Balanced liquid fertilizer applied during the growing season helps support vigorous growth

Propagation Methods

Division and Cuttings

  • Most successfully achieved by dividing the rhizomes
  • Each division should have an adequate root system to ensure healthy establishment

Seeds

  • Less common due to variable germination rates and a longer time required for seedlings to mature

Common Pests & Diseases

Typical Issues

  • Spider mites and mealybugs
  • Risk of root rot if the plant is kept too wet

Treatment Recommendations

  • Organic insecticides 
  • Adjusting watering routines to avoid over-moist conditions

Notable Traits & Uses

  • Named to honor contributions in aroid research, Anthurium iltisii plays a subtle ecological role by supporting local pollinators in its native habitat
  • Due to its rare occurrence and unique aesthetic appeal, this species is highly valued among collectors and is a standout addition to specialized botanical collections

Conservation & Availability

Wild Population Status

  • May face threats from habitat loss in its native regions, highlighting the need for ongoing conservation efforts

Market Availability

  • Rarely found in conventional nurseries, making it a sought-after specimen for dedicated collectors and enthusiasts

References & Resources

Further Reading

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