Lecanorchis

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Plant Info
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Scientific classification
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Type Species
Lecanorchis japonica Blume, Mus. Bot. 2: 188 (1856).
Species
See text.
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Synonyms
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Lechanorchis is a genus of orchids (family Orchidaceae) belonging to the subfamily Vanilloideae.

The scientific name is derived from the Greek words lekane (basin) and orchis (orchid).

They occur in mountain forest of the Himalayas, tropical and subtropical Asia, New Guinea and some Pacific islands at altitudes between 300 – 1500 m

They are terrestrial, leafless myco-heterotrophs (formerly called saprophytes). They produce numerous, long, thick, horizontal roots under a short rhizome. The erect, dark, branched or unbranched stems are thin and brittle. They bear few to many dull brown, purple, yellow or green flowers with a somewhat brighter lip. The lip is about of equal length to the sepals and is covered with dense, yellow hair.

Characteristic for this species is:

• the presence of a calyculus, a group of cup-like small bracts.
• the erect gynostemium (the fused stamen and pistil) is elongate.

Species

Lecanorchis Blume (1956).

• Lecanorchis bicarinata Schltr. (1922) (New Guinea)
• Lecanorchis brachycarpa Ohwi. (1938) (Japan to Taiwan)
• Lecanorchis ciliolata J.J.Sm. (1929) (New Guinea)
• Lecanorchis flavicans Fukuy. (1942) (Japan)(Status : threatened)
• Lecanorchis hokurikuensis Masam. f. kiiensis (Murata) Seriz. (2005) (Japan)
• Lecanorchis japonica Blume (1856) (Japan)
• Lecanorchis javanica Blume (1856) (Java, philippines, New Guinea)
• Lecanorchis kiusiana Tuyama (1955) (Korea, Japan)
• Lecanorchis malaccensis Ridl. (1893) (Thailand, Western Malesia)
• Lecanorchis multiflora J.J.Sm. (1918) (Thailand, Western Malesia)
• Lecanorchis neglecta Schltr. (1911) (New Guinea)
• Lecanorchis nigricans Honda (1931) (Japan, Taiwan, China)
• Lecanorchis seidenfadenii Szlach. & Mytnik (2000) (Malaysia)
• Lecanorchis sikkimensis N.Pearce & P.J.Cribb (1999) (Sikkim to Bhutan)
• Lecanorchis suginoana (Tuyama) Seriz. (2005)
  • Lecanorchis suginoana f. flava Seriz. (2005) (Honshu - Japan)
• Lecanorchis thalassica T.P.Lin (1987) (Taiwan)

References

• Orchid Research Newsletter 47 (January 2006) - Royal Botanical Gardens, Kew.
• Dariusz L. Szlachetko & Joanna Mytnik - Lecanorchis seidenfadeni (Orchidaceae, Vanilloideae), a new orchid species from Malaya ; An.Bot.Fennici 37;227-230 (on line : [1])