Borneoa gillianiae (P.C.Boyce) S.Y.Wong & P.C.Boyce

• Genus: Borneoa
• Botanical Background: Described by prominent aroid specialists. Its classification reflects decades of botanical research that has deepened our understanding of Araceae diversity.

• Geographical Range: Endemic to Southeast Asia, with its primary range in the tropical forests of Borneo.
• Environment: Thrives in humid, tropical lowland rainforests. The plant prefers well-draining, organic soils and consistently high ambient moisture under a warm, stable climate.

Leaves

• Broad, glossy leaves with subtle variegation that help capture diffuse light in shaded conditions

Inflorescence (Spadix & Spathe)

• Compact spadix surrounded by a delicate, pale spathe
• Inflorescence is adapted for specialized pollination mechanisms in its native habitat

Growth Habit

• Grows from a rhizomatous base, which supports its overall structure in dense forest floors

Light Requirements

• Bright, indirect light that simulates the dappled sunlight of a forest understory

Watering & Humidity

• Regular watering is essential to maintain steady soil moisture
• High humidity is also crucial for optimal growth

Soil & Potting Mix

• A well-draining, organic-rich potting mix is ideal
• Containers should facilitate good drainage to prevent waterlogging

Temperature & Fertilizer

• Thrives in temperatures ranging from 20°C to 30°C
• A monthly feeding during active growth helps maintain vigor

Division and Cuttings

• Most commonly achieved through division of the rhizome. This method is reliable and preserves the genetic traits of the species

Seeds

• Requires controlled humidity and temperature to ensure successful germination

Typical Issues

• Spider mites and mealybugs
• Root rot may occur in poorly drained conditions

Treatment Recommendations

• Use of insecticidal soap for pests
• Improved watering practices to prevent fungal issues

• Admired for its unusual floral structure and plays a unique ecological role within its native habitat.

• Prized among aroid enthusiasts due to its rarity 
• Distinctive appearance, making it a sought-after specimen in specialized collections

Wild Population Status

• As an endemic species, it may face threats from habitat loss. Conservation efforts are important to maintain its natural populations

Market Availability

• Considered rare in cultivation. It is typically available only through specialist growers and botanical collections