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Philodendron auriculatum Standl. & L.O.Williams

Introduction & Overview

Common and Scientific Names

  • Scientific Name: Philodendron auriculatum Standl. & L.O.Williams
  • Common Name: Ear-leaf philodendron

Quick Facts

  • Origin: Native to tropical Central America
  • Features: Large, heart-shaped, lobed leaves and thrives in shaded, humid forest understories

Taxonomy & Classification

  • Genus: Philodendron
  • Botanical Background: Described by botanists Standley and Williams, this species has been of interest due to its distinctive leaf morphology and evolutionary significance among aroids.

Natural Habitat & Distribution

  • Geographical Range: Native to tropical regions in Central America
  • Environment: Thrives under warm, humid conditions with well-draining soils and filtered light, typical of forest understories where moisture and indirect sunlight abound.

Morphological Characteristics

Leaves

  • Broad, heart-shaped with auriculate bases
  • Glossy green surface with subtle lobing

Inflorescence (Spadix & Spathe)

  • Slender spadix encased in a greenish spathe
  • Adapted to attract insect pollinators without a strong scent

Growth Habit

  • Climbing species utilizes aerial roots to ascend supports
  • Develops a robust rhizome that aids in nutrient storage and contributes to its vigorous growth

Cultivation & Care

Light Requirements

  • Thrives in bright, indirect light

Watering & Humidity

  • Keep the soil consistently moist without waterlogging
  • Maintain high humidity levels to encourage optimal growth

Soil & Potting Mix

  • A well-draining potting mix enriched with organic matter
  • Containers that promote air circulation

Temperature & Fertilizer

  • Prefers temperatures between 65°F and 80°F
  • Balanced, water-soluble fertilizer applied during the growing season

Propagation Methods

Division and Cuttings

  • Most common methods of propagation are through rhizome division and stem cuttings taken from nodes


Seeds

  • Seed propagation is possible 
  • Less common due to the longer germination period and variable success rates

Common Pests & Diseases

Typical Issues

  • Spider mites and mealybugs
  • Overwatering can lead to root rot

Treatment Recommendations

  • Use organic insecticidal soap for pet control
  • Adjust watering practices to mitigate fungal issues
  • Chemical treatments should be applied cautiously and as a last resort

Notable Traits & Uses

  • Has intrigued botanists for its unique leaf structure
  • Sometimes featured in studies of tropical plant evolution
  • Holds cultural significance in regions where it naturally occurs
  • Prize for its unusual leaf shape and elegant climbing habit

Conservation & Availability

Wild Population Status

  • No immediate conservation concerns
  • Ongoing habitat loss in tropical areas remains a potential threat

Market Availability

  • Available from specialty nurseries and plant collectors
  • High-quality specimens may be less common

References & Resources

Further Reading

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