''Lecanorchis'' 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,
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
,
Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
,
Korea,
Southeast Asia, and
New Guinea at altitudes of .
[Kew World Checklist of Selected Plant Families](_blank)
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They are terrestrial, leafless myco-heterotrophs (formerly called saprophytes). They produce numerous, long, thick, horizontal roots under a short rhizome
In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...
. 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.
Characteristics for this species are:
* A calyculus, a cup-like structure formed from a group of small bract
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...
s, is present.
* The erect gynostemium (the fused stamen
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filame ...
and pistil
Gynoecium (; ) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) ''pistils'' ...
) is elongate.
''Lecanorchis'' is related to '' Clematepistephium'' and ''Eriaxis
''Eriaxis'' is a monotypic genus of orchids (family Orchidaceae) belonging to the subfamily Vanilloideae. The sole species is ''Eriaxis rigida'', endemic to New Caledonia. Its closest relative is ''Clematepistephium
''Clematepistephium'' is a ...
'', both endemic to New Caledonia
)
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, image_map = New Caledonia on the globe (small islands magnified) (Polynesia centered).svg
, map_alt = Location of New Caledonia
, map_caption = Location of New Caledonia
, mapsize = 290px
, subdivision_type = Sovereign st ...
.
Species
Species accepted as of June 2014:Lecanorchis amethystea
''Lecanorchis'' 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, C ...
'' Y.Sawa, Fukunaga & S.Sawa (2006) (Japan, Taiwan)
# ''Lecanorchis betongensis
''Lecanorchis'' 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, C ...
'' Suddee & H.A.Pedersen (2011) (Thailand)
# ''Lecanorchis bicarinata
''Lecanorchis'' 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, C ...
'' Schltr. (1922) (New Guinea)
# ''Lecanorchis brachycarpa
''Lecanorchis'' 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, C ...
'' Ohwi. (1938) (Ryukyu Islands and Taiwan)
# ''Lecanorchis ciliolata
''Lecanorchis'' 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, C ...
'' J.J.Sm. (1929) (New Guinea)
# ''Lecanorchis flavicans
''Lecanorchis'' 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, C ...
'' Fukuy. (1942) (Ryukyu Islands)(Status : threatened)
# ''Lecanorchis japonica
''Lecanorchis'' 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, C ...
'' Blume (1856) (Japan, Korea, Taiwan, Fujian, Hunan)
# ''Lecanorchis javanica
''Lecanorchis'' 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, C ...
'' Blume (1856) (Java, Taiwan, Thailand, Vietnam, Malaysia, Philippines, New Guinea)
# ''Lecanorchis latens
''Lecanorchis'' 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, C ...
'' T.P.Lin & W.M.Lin (2011) (Taiwan)
# ''Lecanorchis kiusiana
''Lecanorchis'' 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, C ...
'' Tuyama (1955) (Korea, Japan)
# ''Lecanorchis malaccensis
''Lecanorchis'' 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, C ...
'' Ridl. (1893) (Thailand, Vietnam, Borneo, Malaysia, Sumatra)
# '' Lecanorchis multiflora'' J.J.Sm. (1918) (Thailand, Yunnan, Borneo, Malaysia, Sumatra, Java)
# '' Lecanorchis neglecta'' Schltr. (1911) (New Guinea)
# '' Lecanorchis nigricans'' Honda (1931) (Japan, Taiwan, Fujian, Thailand, Ryukyu Islands)
# '' Lecanorchis seidenfadenii'' Szlach. & Mytnik (2000) (Malaysia)
# '' Lecanorchis sikkimensis'' N.Pearce & P.J.Cribb (1999) (Sikkim, Bhutan)
# '' Lecanorchis subpelorica'' T.C.Hsu & S.W.Chung, (2010) (Taiwan)
# '' Lecanorchis suginoana'' (Tuyama) Seriz. (2005)
# '' Lecanorchis thalassica'' T.P.Lin (1987) (Taiwan)
#'' Lecanorchis vietnamica'' Aver. (2005), Vietnam
#''Lecanorchis virella
''Lecanorchis'' 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 ...
'' T.Hashim. (1989) (Japan, Taiwan)
A new species, ''Lecanorchis tabugawaensis
''Lecanorchis tabugawaensis'' is a species of orchid which belongs to the group of mycoheterotrophic plants. Mycoheterotrophs are known for feeding off of the roots of fungal hosts, instead of utilizing photosynthesis. Myco-heterotrophy refers ...
'' was described in 2016.
References
* (1856) Museum Botanicum 2: 188.
* (2003) Genera Orchidacearum 3: 316 ff. Oxford University Press.
* Orchid Research Newsletter 47 (January 2006) - Royal Botanical Gardens, Kew.
* - ''Lecanorchis seidenfadeni (Orchidaceae, Vanilloideae), a new orchid species from Malaya'' ; An.Bot.Fennici 37;227-230 (on line
External links
*
{{Taxonbar, from=Q133710
Vanilloideae genera
Vanilleae
Myco-heterotrophic orchids