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Pothos crassipedunculatus Sivad. & N.Mohanan

Introduction & Overview

Common and Scientific Names

  • Scientific Name: Pothos crassipedunculatus Sivad. & N.Mohanan
  • Common Name: Sometimes referred to by regional common names that highlight its thick flower stalk

Quick Facts

  • Origin: Tropical regions of South Asia
  • Features: Noted for its thick peduncle and glossy, heart-shaped leaves

Taxonomy & Classification

  • Genus: Pothos 
  • Botanical Background: Described by botanists Sivad. and N. Mohanan, this species reflects ongoing research into tropical aroids. Its discovery has added to the understanding of diversity within the family, drawing attention from institutions such as the International Aroid Society.

Natural Habitat & Distribution

  • Geographical Range: Native to the tropical forests of South Asia, particularly in regions known for their high biodiversity. It is typically found in lowland rainforests where moisture and warmth prevail.
  • Environment: Thrives in humid conditions with well-drained, organic-rich soils. It prefers shaded understory environments and a stable, warm climate with occasional seasonal rainfall.

Morphological Characteristics

Leaves

  • Broad, heart-shaped, and glossy with a leathery texture
  • Exhibit a deep green coloration with subtle venation patterns that accentuate their natural beauty

Inflorescence (Spadix & Spathe)

  • Characterized by a thick, sturdy peduncle supporting a spadix that is moderately sized
  • Spathe is often a contrasting pale hue and may emit a mild scent to attract specific pollinators

Growth Habit

  • Climbing or vining plant that uses surrounding vegetation for support

  • Develops from a rhizomatous base, allowing it to spread slowly in its native forest floors

Cultivation & Care

Light Requirements

  • Bright, indirect light, similar to the dappled sunlight of its native forest understory

Watering & Humidity

  • Benefits from regular watering to maintain moist soil conditions but should not be waterlogged
  • High humidity levels are ideal for optimal growth

Soil & Potting Mix

  • A well-aerated, peat-based potting mix enriched with organic matter is recommended
  • Containers should have good drainage to mimic its natural habitat

Temperature & Fertilizer

  • Maintain a warm environment with temperatures between 65°F and 80°F
  • Feed the plant with a balanced liquid fertilizer every few weeks during the growing season to support its development

Propagation Methods

Division & Cuttings:

  • The most common propagation techniques include dividing the rhizomes or using stem node cuttings. These methods allow the plant to be easily multiplied while preserving its genetic traits.


Seeds

  • Less common due to the slower germination process and lower viability rates under cultivation conditions.

Common Pests & Diseases

Typical Issues

  • Spider mites and mealybugs
  • Root rot caused by overwatering

Treatment Recommendations

  • Gentle insecticidal soap or neem oil for organic control.
  • Ensure that affected parts are isolated
  • Maintained in well-drained soil to reduce the risk of rot

Notable Traits & Uses

  • Drawn interest for its unusually thick peduncle, which has led to local folklore regarding its resilience
  • Plays a modest role in its ecosystem by supporting specific insect pollinators
  • Enthusiasts prize for its striking foliage and distinctive floral architecture
  • Its rarity and unique growth habit make it a coveted specimen for aroid collectors

Conservation & Availability

Wild Population Status

  • Comprehensive studies are still ongoing
  • Initial assessments suggest that natural populations are stable, though habitat degradation remains a potential concern in certain regions

Market Availability

  • Relatively rare in cultivation and
  • Mainly available through specialized nurseries and botanical collections
  • Collectors and enthusiasts may need to source it from reputable aroid societies

References & Resources

Further Reading

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