Cycnogeton procerum

Cycnogeton procerum, or Water Ribbons (Formerly Triglochin procera), is a robust, aquatic perennial herb native to Australia, commonly found in freshwater wetlands, lakes, and slow-moving streams. This emergent aquatic perennial features thick, glossy, deep green, strap-like leaves with rounded edges, forming dense, ribbon-like mats that provide structural habitat in aquatic ecosystems. The foliage may float on or emerge above the water’s surface, enhancing the visual appeal of wetland environments.

Flowering occurs from September to March, with inflorescences held above the water on tall, erect stems. Following pollination, these are followed by distinctive, upright fruit stalks bearing globular fruit, which twist and split into 3–6 parts when mature. The buoyant fruits, initially floating when dropped, are dispersed by water movement and eventually absorb water to settle and grow away from the parent plant. This unique dispersal mechanism enhances the plant's ability to colonize new areas.

Water Ribbons thrive in shallow to deep freshwater environments, tolerating a range of water depths, periodic inundation, and even extended dry periods. They are common in slow-moving streams and permanent wetlands. The plant provides shelter and spawning sites for aquatic wildlife, including fish, frogs, and invertebrates, while the foliage and fruits offer critical food resources for birds and other fauna.

Historically, the tubers of Cycnogeton procerum were an important carbohydrate source for First Nations people, highlighting its cultural significance alongside its ecological importance.

With its elegant form, ecological functions, and cultural value, Cycnogeton procerum is a vital species for wetland rehabilitation, biodiversity enhancement, and water-sensitive landscaping projects. Its resilience and adaptability make it a standout choice for creating thriving aquatic habitats and supporting healthy ecosystems.