Biarum davisii Turrill

• 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

• 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

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

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

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.

Typical Issues

• Aphids and mealybugs
• Risk of root rot from overwatering

Treatment Recommendations

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

• 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

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