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Biarum davisii Turrill

Introduction & Overview

Common and Scientific Names

  • Scientific Name: Biarum davisii Turrill
  • Common Name: Occasionally known as Davis' Biarum in horticultural circles

Quick Facts

  • Origin:  Native to the Mediterranean
  • Features: Unusual spadix structure; arrow-shaped leaves

Taxonomy & Classification

  • Genus: Biarum
  • Botanical Background: Described by the botanist Turrill, the species has drawn attention in studies of aroid diversity and continues to be of interest in botanical research

Natural Habitat & Distribution

  • Geographical Range:  Native to Mediterranean habitats
  • Environment:  Thrives in well-draining soils with moderate to high humidity during its active growth period. It typically grows in climates that experience warm, dry summers

Morphological Characteristics

Leaves

  • Leaves are arrow-shaped
  • Medium size
  • textured surface
  • Display varying shades of green

Inflorescence (Spadix & Spathe)

  • Inflorescence featuring a spadix surrounded by a cream-to-green spathe
  • Subtle scent

Growth Habit

  • Terrestrial species that grows from a tuber, forming compact clumps of foliage

Cultivation & Care

Light Requirements

  • It does best in bright, indirect light and can handle some direct morning sun.

Watering & Humidity

  • Keep the soil evenly moist during the growing season
  • Educed watering in dormancy. Moderate humidity levels are beneficial

Soil & Potting Mix

  • Well-draining mix enriched with organic matter is ideal. Use a container with ample drainage

Temperature & Fertilizer

  • Maintain temperatures between 60°F and 75°F
  • Balanced fertilizer during the active growth phase

Propagation Methods

Division & Cutting

  • Propagation is most commonly achieved through division of the tubers during repotting.

Seeds

  • While seeds can be used, they are less favored due to lower germination rates.

Common Pests & Diseases

Typical Issues

  • Aphids and mealybugs
  • Risk of root rot from overwatering

Treatment Recommendations

  • Insecticidal soap
  • Pest control
  • Proper drainage to minimize fungal

Notable Traits & Uses

  • Unusual inflorescence structure and has been featured in several botanical garden collections.

  • Collectors value this species for its rarity and unique leaf shape, making it a standout addition to specialized aroid collections

Conservation & Availability

Wild Population Status

  • Reports on its conservation status are limited, but it is considered rare in its natural habitat

Market Availability

  • Not widely available and is primarily found among specialist collectors and botanical gardens

References & Resources

Further Reading

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