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Arisaema peltatum C.E.C.Fisch.

Introduction & Overview

Common and Scientific Names

  • Scientific Name: Arisaema peltatum C.E.C.Fisch.
  • Common Name:  peltate Jack-in-the-Pulpit

Quick Facts

  • Origin: Native to temperate forest regions of East Asia
  • Features:  Uniquely shaped, shield-like leaves and an expansive spathe

Taxonomy & Classification

  • Genus: Arisaema
  • Botanical Background: Described by C.E.C. Fischer, the species has been a subject of interest for botanists exploring the diversity of the Araceae family. Its classification has evolved with advances in molecular studies and morphological assessments

Natural Habitat & Distribution

  • Geographical Range: Native to parts of East Asia, where it naturally occurs in the shaded understories of temperate forests.
  • Environment: Thrives in humid, well-drained soils with abundant organic matter; cool to moderate climates and conditions that mimic the forest floor.

Morphological Characteristics

Leaves

  • Peltate, meaning the petiole attaches centrally on the leaf blade
  • Broadly shaped, typically green 
  • Glossy finish
  • Subtle venation patterns

Inflorescence (Spadix & Spathe)

  • Broad, winged spathe that is usually green with hints of purple. 
  • Central spadix, although less conspicuous, may emit a mild scent

Growth Habit

  • Terrestrial perennial
  • Grows from a tuberous rhizome
  • Non-climbing, firmly rooted in the understory

Cultivation & Care

Light Requirements

  • Bright, indirect light and partial shade, which mimics its natural forest environment

Watering & Humidity

  • Regular watering is essential
  • High humidity
  • Avoid waterlogging

Soil & Potting Mix

  • A rich, loamy soil enriched with organic matter is ideal
  • Use a well-aerated potting mix to ensure proper drainage

Temperature & Fertilizer

  • Cool to moderate temperatures
  • Balanced fertilizer applied during the growing season

Propagation Methods

Division and Cuttings

  • Most commonly achieved through the division of the tuberous rhizome
  • Dividing established clumps during the dormant period


Seeds

  • Less frequently employed due to variable germination success 
  • Longer period required for seedlings to reach maturity

Common Pests & Diseases

Typical Issues

  • Aphids
  • Root rot

Treatment Recommendations

  • Organic insecticides 
  • Improved air circulation
  • Ensuring proper drainage and avoiding overwatering

Notable Traits & Uses

  • Intrigued botanists and gardeners alike with its unusual leaf morphology and elaborate inflorescence
  • Unique appearance makes it a standout specimen in collections and garden landscapes
  • Prize for its ornamental appeal

Conservation & Availability

Wild Population Status

  • Generally stable
  • It faces potential threats from habitat loss and environmental changes

Market Availability

  • Not as common as other aroid species
  • Available through specialized nurseries and plant societies focused on rare or ornamental plants

References & Resources

Further Reading

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