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Begonia masoniana (Iron Cross) D12
![Begonia masoniana (Iron Cross) [1]](https://gomagcdn.ro/domains2/eufloria.ro/files/product/original/begonia-masoniana-d12-426885.webp "Begonia masoniana (Iron Cross) [1]")
Begonia masoniana (Iron Cross) is a spectacular rhizomatous begonia with large, textured, bright green leaves marked with an iconic brown cross-shaped pattern. Native to China and Vietnam. Prefers indirect light and moderate humidity. Caution: toxic plant – contains calcium oxalates.
Approx height (including pot): 22 cm
Flowering state: No flowers
Pot diameter: 12 cm
- Description
- Characteristics
- Reviews (0)
- FAQ
🌿 Begonia masoniana – The Iron Cross on Textured Leaves
Begonia masoniana, also known as the Iron Cross Begonia, is one of the most recognizable begonias thanks to its distinctive brown cross-shaped pattern on deeply textured, bright green leaves. It is an imposing plant with strong character that immediately draws attention in any collection.
🌍 Origins & Botanical History
Begonia masoniana belongs to the Begoniaceae family and is native to southern China and northern Vietnam, where it grows on limestone rocks in humid forests. It was described by Edgar Irmscher in 1961 and named after collector Maurice Mason. The popular name "Iron Cross" comes from the characteristic leaf pattern resembling the German Iron Cross.
🌿 Foliage – Textured with the Iconic Iron Cross Pattern
The leaves of Begonia masoniana are large, asymmetric, with a round-cordate shape. The texture is exceptionally prominent – the surface is covered with raised bumps (papillae) that give it a unique bumpy appearance. The base color is bright green, and in the center of each leaf, a symmetrical chocolate-brown pattern forms, resembling a cross. The petioles are long, thick, and covered with reddish hairs.
🌱 Growth Habit & Development
Begonia masoniana is a rhizomatous plant with a compact habit, reaching 30-45 cm in height. It prefers moderate indirect light and moderate to high humidity. The substrate should be well-draining and slightly acidic. Water when the top layer has dried out, avoiding excess water which can cause rhizome rot. The ideal temperature is 18-26°C (65-79°F). Avoid watering on the leaves.
Lungime: 20 cm
Greutate (kg): 1 Kg
Denumire: Begonia
Diametru: 12 cm
Cerințe lumină: Partial umbra
Tip plantă: Decorative
Utilizare: Interior
Tip suport: Ghiveci
Material Suport: Plastic
Is Begonia masoniana (Iron Cross Begonia) toxic to cats and dogs?
Yes, Begonia masoniana is toxic to cats, dogs, and horses according to the ASPCA. The plant contains soluble calcium oxalates, with the underground rhizomes being the most toxic part. If ingested, pets may experience vomiting, excessive drooling, oral irritation, and difficulty swallowing. While rarely fatal, the symptoms are uncomfortable. Keep this plant out of reach of pets, and contact your veterinarian immediately if you suspect ingestion.
Why is it called the "Iron Cross" Begonia?
The name comes from the distinctive dark chocolate-brown pattern at the center of each leaf, which strikingly resembles the Iron Cross – a symbol used on shields and flags during the medieval Crusades. English plant collector L. Maurice Mason gave the plant this evocative common name when he brought it from Singapore to England in 1952. The species name "masoniana" also honors him. The bold cross-shaped marking makes this one of the most instantly recognizable houseplants in the world.
Why are there white powdery spots on my Iron Cross Begonia leaves?
White powdery patches on Begonia masoniana indicate powdery mildew, a fungal infection that thrives when foliage stays wet in humid conditions with poor air circulation. Never mist this plant directly – the textured, hairy leaves trap moisture and are highly susceptible to mildew. Instead, increase humidity using a pebble tray or humidifier. Remove affected leaves promptly, improve air circulation around the plant, and ensure water only reaches the soil, not the foliage. Severe cases may require fungicide treatment.
How often should I water Begonia masoniana?
Water when the top 2-3 cm of soil feels dry – typically weekly during active growth, less frequently in winter. The underground rhizomes store water, making overwatering more dangerous than slight underwatering. Always water at the base of the plant, never on the leaves, to prevent mildew. Ensure excellent drainage and never let the plant sit in water. In winter when growth slows, reduce watering significantly but don't allow complete dryness. Yellow, drooping leaves typically indicate overwatering; crispy brown edges suggest underwatering or low humidity.
Why are the leaf markings on my Iron Cross Begonia fading?
Fading of the distinctive chocolate-brown cross pattern usually indicates too much direct light. While Begonia masoniana needs bright light for healthy growth, direct sunlight bleaches the markings and can burn the leaves. Move the plant to a spot with bright but filtered or indirect light – near a window with sheer curtains, or a few feet back from south-facing windows. The vibrant contrast between the bright green leaves and dark cross pattern will return once lighting conditions are corrected.
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