Colocasia affinis Schott

• Genus: Colocasia
• Botanical Background: Described by the botanist Schott, this species has been studied for its ornamental and cultural value. Early botanical works have contributed to its classification and understanding within the aroid community

• Geographical Range: Native to parts of tropical Asia, where it is found in lowland forests and along water bodies
• Environment: Thrives in warm, humid climates with moist, rich soils. It is commonly located near streams or in areas with consistent moisture and filtered sunlight

Leaves

• Broadly heart-shaped, medium to large in size
• Glossy dark green appearance and subtle venation

Inflorescence (Spadix & Spathe)

• Slender spadix paired with a typically greenish to cream spathe
• Flowers are modest in size and are generally insect-pollinated

Growth Habit

• Terrestrial plant grows from a rhizomatous structure, allowing it to spread slowly and maintain a compact form

Light Requirements

• Bright, indirect light that mimics the filtered canopy of tropical forests

Watering & Humidity

• Regular watering is essential
• Keep the soil consistently moist, and high humidity benefits

Soil & Potting Mix

• A rich, well-draining potting mix amended with organic matter
• Containers with drainage holes are recommended to prevent waterlogging

Temperature & Fertilizer

• Ideal temperature range is between 70°F and 85°F
• Balanced, diluted fertilizer applied during the growing season

Division and Cuttings

• Most common propagation method is by dividing the rhizomes, which is both simple and effective

Seeds

• Seeds can be produced, they are less commonly used due to slower germination and establishment compared to division

Typical Issues

• Spider mites, mealybugs, and occasional root rot if overwatered

Treatment Recommendations

• Insecticidal soap or organic remedies
• Proper soil drainage and moderate watering reduce the risk of root rot

• Associated with traditional medicinal uses and holds cultural significance
• Unique foliage and manageable size add to its ecological and aesthetic roles

• Unusual leaf shape and vibrant green color, which provide a tropical accent in gardens and indoor spaces

Wild Population Status

• No significant conservation concerns reported; stable wild populations

Market Availability

• Available through specialty aroid nurseries and collectors available through specialized nurseries and botanical collections