Buttonia superba

Buttonia superba is a rare and fascinating caudiciform plant native to Madagascar, belonging to the Passifloraceae family. It is highly sought after by collectors for its striking swollen base (caudex) and its vining growth habit. This species thrives in well-draining soil and warm, dry climates, making it an excellent choice for bonsai cultivation and container gardening.

Key Features:

• Botanical Name: Buttonia superba
• Common Names: Madagascar Caudex Vine, Superba Passion Vine
• Family: Passifloraceae
• Native Region: Madagascar
• Growth Rate: Moderate
• Mature Size: The caudex can grow up to 30 cm (12 inches) in diameter, with long, climbing vines
• Trunk/Caudex: Thick, woody, and sculptural
• Leaves: Green, delicate, and tendril-forming
• Flowers: Small, typically white or pale green, resembling other passionflower relatives
• Season: Perennial

Growing Conditions:

• Sun Exposure: Full sun to partial shade
• Soil Requirements: Well-draining, sandy or rocky soil
• Watering Needs: Low to moderate; drought-tolerant once established
• Temperature Tolerance: Prefers warm temperatures; not frost-hardy
• Humidity: Prefers low to moderate humidity; avoid excessive moisture

Landscaping & Uses:

• Ideal for bonsai cultivation, caudiciform collections, and succulent gardens
• A unique addition to rock gardens and arid landscapes
• Suitable for container growing, allowing for easy control of its growth
• Highly collectible due to its rarity and unusual form