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Odontoglossum

Odontoglossum cirrhosum plate
Odm. cirrhosum from
Lindenia Iconographie des Orchidées

Scientific Classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Liliopsida
Order: Asparagales
Family:Orchidaceae
Subfamily: Epidendroideae
Tribe: Cymbidieae
SubTribe: Oncidiinae
Alliance:
Genus: Odontoglossum
Kunth in F.W.H.von Humboldt 1816
Type Species
Odontoglossum epidendroides


Odontoglossum, first named in 1816 by Karl Sigismund Kunth, is a genus of about 100 orchids. The abbreviation for this genus is Odm in horticultural trade.

DistributionEdit

This genus of cool to cold growing orchids is to be found on open spots in the humid cloud forest at higher elevations from Central- and West South America to Guyana, with most species around the northern Andes. Most are sympodial epiphytes, or rarely terrestrials.

DescriptionEdit

The pseudobulbs are compact with leaf-like bracts at the base. They give one to three apical leaves. An arching (and sometimes erect) inflorescence grows from its base. The ruffled sepals and petals of these spectacular flowers are spreading. The lip is rather complex, entire or with three lobes. It stands erect or parallel to the long column. The high altitude species show long inflorescences with up to 150 flowers (as in O. cirrhosum), while the lower altitude species have shorter inflorescences with up to 20 flowers. These flowers may be white, red, purple, brown, yellow, or even be blotched with a showy blend of many colors.

Many of these species are in great demand with orchid lovers because of their spectacular and flamboyant flowers.

CultureEdit

Grow in cool conditions with moderate light. Water the plant right before the potting mix starts to dry. Plants should be potted in a well drain medium such as medium fir bark.

NamingEdit

The scientific name is derived from the Greek words odon (tooth) and glossa (tongue), referring to the two teeth-like calluses on the base of the lip.

TaxonomyEdit

This genus used to contain more than 400 species. many have now been reclassified in other genera such as Amparoa, Aspasia, Cochlioda, Cuitlauzina, Cyrtochilum, Gomesa, Lemboglossum, Mesoglossum, Miltonia, Miltonioides, Oliveriana, Oncidium, Osmoglossum, Otoglossum, Rhynchostele, Rossioglossum and Ticoglossum . This new genera occurred outside the Andes in different climatological habitats.

There are six subgenera : Erectolobata, Lindleyana, Nevadensia, Odontoglossum, Serratolaminata and Unguisepala.

Species Edit

Natural HybridsEdit

ReferencesEdit

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