Acianthus sinclairii Hook.f.

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Acianthus sinclairii, commonly known as pixie cap or heart-leaf orchid, is a flowering plant in the orchid family Orchidaceae and is endemic to New Zealand. It is a terrestrial herb with a single, heart-shaped leaf and up to ten translucent green flowers, usually tinged maroon.

Description

Acianthus sinclairii is a terrestrial, perennial, deciduous, sympodial herb with a single heart-shaped, glabrous, dark green leaf which often has a maroon tinge or markings. The leaf is 10–30 mm (0.4–1 in) long, one-quarter to halfway up the slender stem, which is about 100 mm (4 in) long at flowering but increases later.

There are up to ten flowers, 6–8 mm (0.2–0.3 in) long, green but with purple blotches and a dull red labellum. The dorsal sepal is broadly lance-shaped to egg-shaped and forms a hood over the column. The lateral sepals are similar in length to the dorsal sepal but have a pointed end and face forward beneath the labellum. The petals are somewhat shorter than the sepals, are lance-shaped and spread widely. The labellum is also shorter than the sepals, dished, broadly egg-shaped with the edges turned under, dull red with two rounded calli at its base. Flowering occurs between January and October.

Acianthus sinclairii - Wikipedia

 

 

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