Chiloglottis anaticeps, commonly known as the Duck's-head Wasp-orchid, is a terrestrial orchid species native to Australia. This fascinating plant belongs to the Orchidaceae family and is recognized for its unique floral morphology, which mimics female thynnid wasps to attract male pollinators. Its significance lies in its specialized pollination strategy and its role within its native ecosystems. The Duck's-head Wasp-orchid is a small, herbaceous perennial. It typically grows to a height of 15 to 30 centimeters. The plant produces a single, basal leaf that is ovate to broadly ovate, measuring approximately 3 to 6 centimeters in length and 2 to 4 centimeters in width. The leaf is dark green on the upper surface and often purplish on the underside, with a petiole that can be up to 5 centimeters long. The inflorescence is a slender scape bearing one to three flowers. The flowers are the most striking feature of Chiloglottis anaticeps. They are resupinate, meaning they twist 180 degrees during development. The sepals and petals are typically narrow and pointed, often greenish or reddish-brown. The labellum, or lip, is highly modified and distinctive, resembling the head and thorax of a female thynnid wasp, complete with calli that mimic sensory organs. This elaborate mimicry is crucial for its reproductive success. Following successful pollination, the plant develops a small, dehiscent capsule containing numerous dust-like seeds. Chiloglottis anaticeps is found in the southeastern regions of Australia, specifically in New South Wales and Victoria. It prefers moist, well-drained soils in shaded to semi-shaded environments. Its natural habitat includes forests, woodlands, and heathlands, often growing amongst leaf litter or mosses. Cultivation of this species is challenging due to its specific habitat requirements and reliance on mycorrhizal fungi for germination and early growth. It is not widely cultivated and is best appreciated in its natural setting. The primary ecological importance of Chiloglottis anaticeps is its specialized relationship with its pollinator, the male thynnid wasp. The orchid's labellum releases a pheromone that mimics the scent of a receptive female wasp, attracting the males. The wasp attempts to mate with the labellum, inadvertently picking up or depositing pollinia, thus facilitating cross-pollination. This highly specific co-evolutionary relationship highlights the intricate ecological interactions within Australian flora. There are no widely documented ornamental, agricultural, medicinal, culinary, or economic uses for this species. An interesting characteristic of Chiloglottis anaticeps is the precise mimicry of its labellum. The shape, color, and even the texture of the calli on the labellum are adapted to deceive male wasps, ensuring the orchid's reproductive cycle continues. This sophisticated biological adaptation is a testament to the power of natural selection in shaping plant-pollinator dynamics. The plant's reliance on specific soil conditions and fungal associations also underscores its vulnerability to habitat disturbance.