Green Bird Orchid

Chiloglottis cornuta is a terrestrial, perennial, deciduous, herb with two elliptic leaves 60–100 mm (2–4 in) long and 20–30 mm (0.8–1 in) wide on a petiole 5–10 mm (0.2–0.4 in) long. A single green to reddish flower 13–16 mm (0.5–0.6 in) long and 25–30 mm (0.98–1.2 in) wide is borne on a flowering stem 40–100 mm (2–4 in) high. The dorsal sepal is lance-shaped to egg-shaped, 13–16 mm (0.5–0.6 in) long and 5–7 mm (0.2–0.3 in) wide. The lateral sepals are 10–12 mm (0.4–0.5 in) long, about 3 mm (0.1 in) wide and curve forwards. There is a glandular tip about 1 mm (0.04 in) long on the sepals. The petals are linear to lance-shaped, 10–12 mm (0.4–0.5 in) long, about 3.5 mm (0.1 in) wide and spread widely apart from each other. The labellum is heart-shaped, 9–12 mm (0.4–0.5 in) long and 7–8 mm (0.28–0.31 in) wide with six to eight rounded dark red, green, reddish or blackish calli. The column is erect, almost as long as the dorsal sepal with broad wings on the upper half. Flowering occurs from November to February.

The green bird orchid grows in moist places in sheltered forest in far south-eastern New South Wales, eastern Victoria, far south-eastern South Australia and in Tasmania. In New Zealand it occurs on both the North and South Islands and on Stewart, Chatham, the Antipodes, Campbell and Auckland Islands.

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