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Philodendron longilobatum Sakur.

Introduction & Overview

Common and Scientific Names

  • Scientific Name: Philodendron longilobatum Sakur.
  • Common Name: Commonly known by names that reference its elongated, lobed foliage

Quick Facts

  • Origin: Native to the humid tropical regions
  • Features: Unusually long, lobed leaves and moderate size

Taxonomy & Classification

  • Genus: Philodendron
  • Botanical Background: Historically, early botanists exploring the neotropical regions noted its unique leaf structure. The species was later refined and named by Sakur, whose contribution to aroid taxonomy has been recognized in several botanical publications.

Natural Habitat & Distribution

  • Geographical Range: Native to parts of tropical South America and is found in lowland tropical rainforests where the climate is warm and humid.
  • Environment: Grows in well-drained, humus-rich soils with high organic content; it flourishes in areas with consistent high humidity and filtered light beneath the forest canopy

Morphological Characteristics

Leaves

  • Elongated with deep, irregular lobes 
  • Leathery texture with a mix of glossy and matte surfaces
  • Rich green coloration to hints of bronze in older leaves

Inflorescence (Spadix & Spathe)

  • Spadix enclosed by a spathe
  • Spathe is greenish to pale cream in color with a modest size
  • Scent is not overly strong, it plays a role in attracting specific pollinators

Growth Habit

  • Adopts a climbing or trailing habit supported by a robust rhizome system
  • Can be grown on supports or in hanging baskets
  • Its underground structures also aid in storage and resilience during periods of fluctuating moisture

Cultivation & Care

Light Requirements

  • Prefers bright, indirect light
  • Direct sunlight can scorch its leaves
  • Too low light may slow its growth

Watering & Humidity

  • Ensure that the soil remains evenly moist but not waterlogged
  • Benefits from high humidity
  • Regular misting or placement in a naturally humid area

Soil & Potting Mix

  • A well-draining potting mix rich in organic matter
  • A mix formulated for aroids, often consisting of peat, perlite, and bark in containers that has good drainage

Temperature & Fertilizer

  • Ideal temperature range is between 65°F and 80°F
  • Balanced, water-soluble fertilizer applied monthly during the growing season
  • Reduced feeding in the dormant winter months

Propagation Methods

Division

  • Most common propagation method is by division of the rhizomes
  • Separating a portion of the rhizome with visible nodes and several healthy leaves can yield successful new plant growth

Stem Cuttings (if applicable)

  • Stem or node cuttings may also be used with proper care to ensure rooting

Seeds

  • Less common due to variable germination rates, viable seeds require warm temperatures and high humidity to germinate properly

Common Pests & Diseases

Typical Issues

  • Pests such as spider mites and mealybugs
  • Overwatering or poor drainage may lead to root rot, particularly in cooler conditions

Treatment Recommendations

  • Gently wiping the leaves with a soapy water solution or using insecticidal soap
  • Improving drainage and reducing watering frequency
  • Neem oil, offer a safe chemical alternative for controlling pest

Notable Traits & Uses

  • Unique leaf shape has led to interest among botanists and horticulturists alike
  • Celebrated in plant enthusiast communities for its blend of aesthetic appeal and resilience in tropical environments
  • Prized for its striking foliage and versatility in interior and exterior landscaping
  • Its adaptable growth habit makes it a popular choice for decorative wall planters and hanging baskets

Conservation & Availability

Wild Population Status

  • No major conservation concerns reported for this species at present. However, its habitat faces threats from deforestation and habitat fragmentation

Market Availability

  • Moderately available through specialty nurseries and plant societies
  • Availability may vary depending on geographic region and seasonal demand among collectors

References & Resources

Further Reading

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