Anthurium watermaliense – A Striking Anthurium with Deeply Lobed Foliage


Distinctive Features and Growth Habit


Anthurium watermaliense is a terrestrial aroid native to Central and South America, found in premontane and lower montane rainforests. This species is recognized for its ovate-triangular, deeply lobed leaves, moderately coriaceous texture, and striking inflorescence. The dark violet-purple spathe and elongated spadix add an eye-catching contrast, making this plant a unique addition to any collection.


Key Characteristics of Anthurium watermaliense


 
Foliage: Ovate-triangular leaves with deep basal lobes.
 
Leaf Size: Grows between 21-60 cm in length and 20-40 cm in width.
 
Growth Habit: Terrestrial, with a short stem up to 25 cm.
 
Petiole Length: Varies between 25-88 cm, subterete with a slight groove.
 
Inflorescence: Features a dark violet-purple spathe and a white to greenish-yellow spadix.
 
Toxicity: Contains calcium oxalate crystals — toxic if ingested by pets or children.


Essential Care Guide


 
Light: Prefers bright, indirect light; adapts well to medium light conditions.
 
Watering: Keep soil consistently moist but avoid overwatering.
 
Humidity: Thrives in high humidity levels above 60%.
 
Temperature: Ideal range is 18°C to 28°C; protect from cold drafts.
 
Soil and Potting: Requires a well-draining mix with orchid bark, perlite, and organic matter.
 
Fertilizing: Use a balanced, diluted fertilizer every 4-6 weeks.
 
Propagation: Best propagated through stem cuttings or division.
 
Pruning: Trim older or damaged leaves to encourage new growth.


Common Issues and How to Fix Them


 
Root Rot: Avoid excessive watering and ensure proper drainage.
 
Pests: Watch for spider mites, thrips, and mealybugs; treat with neem oil, or use beneficial insects.
 
Leaf Yellowing: Often due to overwatering or poor drainage.


Additional Notes


 
Best Growth Support: This species benefits from stable humidity and warm temperatures.
 
Leaf Texture: The moderately coriaceous surface provides durability.


Etymology: The Origin of the Name


Anthurium watermaliense was first described by L.H. Bailey and Nash in 1914 and is named after the region of Watermaal in Belgium.


FAQs – Your Questions Answered


 
How large does Anthurium watermaliense grow? The leaves can reach up to 60 cm in length, with petioles extending to 88 cm.
 
Does it require high humidity? Yes, it thrives best in humid environments above 60%.
 
Is Anthurium watermaliense suitable for beginners? It requires moderate care, making it suitable for those with some plant experience.


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