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Orchid Species: Ortmannia cernua

Kew currently accepted name is Geodorum densiflorum

Ortmannia cernua is an orchid species identified by (Willd.) Opiz in 1834. Culture information and photos for this orchid are commonly detailed under the currently accepted name of Geodorum densiflorum.
Genus
Ortmannia (Ortmannia.)
Grex
cernua
Parents
Species
Author
(Willd.) Opiz
Year
1834
ORIGIN: Found from the Guangdong, Guangxi, Guizhou, Hainan, Sichuan and Yunnan provinces of China Assam, Bangladesh, India, Sri Lanka, Andaman Islands, Myanmar, Thailand, Laos, Cambodia, Vietnam, Hong Kong, Borneo, Java, Sumatra, Malaysia, Lesser Sunda Islands, Moluccas, Sulawesi, Philippines, Bismark Islands, New Guinea, Solomon Islands, Queensland Australia, Western Australia, Fiji, Niue, New Caledonia, Samoa, Tonga, Vanuatu, Caroline Islands, Marianas Islands and Taiwan in moist grasslands, sandy areas behind beaches and rainforests as well as in semi-deciduous and deciduous dry lowland forests and savana-like woodlands at elevations of sea level to 1800 meters.

DESCRIPTION: A medium to small, hot to cool growing terrestrial orchid with underground, spherical pseudobulbs carrying, 2 to 5, thin-textured, lanceolate to oblong-elliptic, plicate, petiolate leaves that blooms in the fall and spring with an erect, basal, 4 to 10 [10 to 25 cm] at the outset and extending to 12 to 16 [30 to 40 cm], many [10 to 25] flowered inflorescence with a short rachis and the waxy, non-spreading flowers crowded at the apex that always has a U shape to it, with the flowers clustered on the downward side until fertilization occurs which causes it to straighten out, as it continues to arise with a new growth.

FLOWER SIZE: 3/8 inch [1 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).
Other Names
Genus Name Genus Grex Name Year Author
Add+ Epidendrum Epi tuberosum 1786 G.Forst.
Add+ Geodorum Gdm appendiculatum 1845 Griff.
Add+ Geodorum Gdm densiflorum 1919 (Lam.) Schltr.
Add+ Geodorum Gdm purpureum 1813 R.Br. in W.T.Aiton
Add+ Cymbidium Cym nutans 1799 (Roxb.) Sw.
Add+ Cymbidium Cym pictum 1810 R.Br.
Add+ Dendrobium Den nutans 1827 C.Presl
Add+ Geodorum Gdm candidum 1855 (Roxb.) Lindl.
Add+ Geodorum Gdm formosanum 1895 Rolfe ex Hemsl.
Add+ Geodorum Gdm fucatum 1834 Lindl.
Add+ Geodorum Gdm neocaledonicum 1929 Kraenzl.
Add+ Geodorum Gdm nutans 1908 (C.Presl) Ames
Add+ Geodorum Gdm pacificum 1908 Rolfe
Add+ Geodorum Gdm rariflorum 1855 Lindl.
Add+ Geodorum Gdm semicristatum 1855 Lindl.
Add+ Limodorum Limo nutans 1795 Roxb.
Add+ Otandra Otandra cernua 1812 (Willd.) Salisb.
Add+ Tropidia Tro grandis 1873 Hance
Add+ Limodorum Limo densiflorum 1792 Lam.
Add+ Arethusa Aret glutinosa 1837 Blanco
Add+ Cistella Cistella cernua 1825 (Willd.) Blume
Add+ Dendrobium Den haenkeanum 1840 Steud.
Add+ Malaxis Mal cernua 1805 Willd.
Add+ Geodorum Gdm pallidum 1825 D.Don
Add+ Eulophia Euph picta 2017 (R.Br.) Ormerod
Add+ Malaxis Mal nutans 1805 (Roxb.) Willd.
Add+ Geodorum Gdm tricarinatum 1911 Schltr.
Add+ Limodorum Limo candidum 1832 Roxb.
Most awarded/recent cultivars: Gdm. densiflorum 'Orchid World' (1995)
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