Twayblade Neottia ovata
Neottia ovata grows in a variety of habitats: woods, meadows, dune-slacks and moorland. The flowering stems are typically 20–60 cm (7.9–23.6 in) tall, occasionally up to 75 cm (30 in). There are two large opposite basal leaves (hence the common name), 5–20 cm (2.0–7.9 in) long. A variable number of flowers is borne on the stems, usually more than 15 but less than 100. The flowers are small and yellowish-green in colour. The sepals and the two side petals form a fairly open hood, 5–6 mm (0.2 in) long; the labellum or lip (the central petal) is 7–15 mm (0.3–0.6 in) long and is divided at the end into two lobes
The flower of Neottia ovata is well accessible for a wide range of insects esp pollinated by parasitic wasps, sawflies and beetles. The pollinia lie free on top of the gutter-shaped rostellum, an organ that is filled with viscid fluid. When an insect touches the sensitive tip of the rostellum, the viscid fluid is ejected and glues the pollinia to the visitor's body. Fruit set is quite high.
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