Oeceoclades humbertii

Oeceoclades humbertii is a terrestrial orchid species in the genus Oeceoclades that is endemic to southeastern Madagascar,[1] where it grows in xerophilous bush at altitudes from 500 to 600 m (1,600 to 2,000 ft).[2] It was first described by the French botanist Joseph Marie Henry Alfred Perrier de la Bâthie in 1939 as Lissochilus humbertii and moved to the genus Eulophia in 1975 by Friedhelm Reinhold Butzin. It was last transferred to the genus Oeceoclades in 2001 by Jean Marie Bosser and Philippe Morat. The type specimen was collected from the left bank of the Manambolo valley in the Mandrare River basin in either December 1933 or January 1934 when it was recorded as flowering by its collector Jean-Henri Humbert for whom the specific epithet humbertii honors. The small pseudobulbs are conical and heteroblastic (derived from only one internode). Oeceoclades humbertii is distinguished from all other Oeceoclades by its completely green flowers. It has only been collected twice including the type specimen; the other specimen was collected by Philippe Morat in 1973 from the Onilahy valley in the Ankazoabo gorges north of Betioky.[3]

Oeceoclades humbertii
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Oeceoclades
Species:
O. humbertii
Binomial name
Oeceoclades humbertii
Synonyms[1]
  • Lissochilus humbertii H.Perrier
  • Eulophia humbertii (H.Perrier) Butzin

References
  1. "Oeceoclades humbertii". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew. Retrieved 10 February 2016.
  2. Perrier de la Bathie, H. 1939. Orchidées et Palmiers Nouveaux de Madagascar (4e et 5e H. Humbert, 1933-1934 et 1937-1938). Notulae Systematicae, 8(1): 32-48. (Description on pp. 40-41.)
  3. Bosser, J., and P. Morat. 2001. Contribution à l'étude des Orchidaceae de Madagascar et des Mascareignes. XXXI. Espèces et combinaisons nouvelles dans les genres Oeceoclades, Eulophia et Eulophiella. Adansonia, 23(1): 7-22.


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