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Smithorchis calceoliformis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Tribe: Orchideae
Genus: Smithorchis
Tang & F. T. Wang
Species: S. calceoliformis
Binomial name
Smithorchis calceoliformis
(W. W. Sm.) Tang & F. T. Wang

Herminium calceoliforme W. W. Sm.

Smithorchis is a monotypic genus contains the single species Smithorchis calceoliformis,[2] an orchid endemic to north-western Yunnan province, China.[3] Its closest relatives are the genera Diphylax and Herminium; it differs from them in having a long, creeping rhizome, and flowers which are non-resupinate (upside-down relative to those of most other orchids) and have no prominent rostellum.[2] It lives at altitudes of 3,200–4,000 metres (10,500–13,100 ft) in alpine grasslands.[3] It was originally described by William Wright Smith in 1921 as Herminium calceoliforme, having been collected by George Forrest in 1914 on the watershed between the Mekong and Yangtze rivers.[4] It is listed as an endangered species on the IUCN Red List.[1]



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