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Because it comes from monsoonal rain areas, the flowers face downwards to prevent the rain washing the pollen onto its own stigma and causing self-pollination. The plant should be in a hanging basket so that the flowers can be appreciated to their fullest.
Cymbidium plants have evolved water storage organs (pseudobulbs) to withstand periodic, and sometimes prolonged drying in their native habitats. The larger the pseudobulbs, the longer a period of dryness they are equipped to deal with. For this reason, it is recommended that plants in cultivation be allowed to go nearly dry between waterings. Watering once a week is usually sufficient for most plants, unless conditions are excessively hot and/or dry. Smaller plants may require watering every 4-5 days during most of the year, until they are more mature. At cooler times of the year, plants may be left a little longer between waterings.
Plants are found growing in the cool montane forest of Colombia, Peru and Ecuador at elevations around 3000 meters.
The plants are mostly medium to large in size and are terrestrial, lithophytic or epiphytic. Cyrtopodiums are popularly known as the Cowhorn Orchid because of their cigar-shaped, fleshy pseudobulbs. A mass of pseudobulbs can grow up to 1.5 meters across and an individual inflorescence can produce more than 500 flowers. Sepals are pale yellow-green and spotted with purple. Petals are a brighter yellow than the sepals and have fewer, smaller markings. The lip is reddish brown with orange markings in the center.
This species has lavender flowers that have two burgundy spots on either side of the lip towards the inner base. An albino form with pure white flowers are available. The long slender pseudobulbs are said to grow to 3 meters (nearly 10 feet) in length. However, in cultivation, especially when it is mounted, the pseudobulbs often do not even reach three feet. The most common type of Dendrobium anosmum is also the most floriferous, it is capable of producing more than sixty flowers on a single cane
Its botanical name anosmum actually means without scent, but Dendrobium anosmum is one of the orchids species with a powerful fragrance.
These plants love high light and benefit from some hours of full sun, some can even stand full midday sun without complaint, however exposing the base of the canes to full sun is deathly for these plants.
A warm growing Dendrobium from lowland Papua New Guinea. These are very well-grown plants that fill up the pots with many stiff canes, and newly emerging growth.
It requires high humidity to grow well and is mostly grown mounted or in baskets. The fine roots must be allowed to dry out between waterings or they will rot, but the plants should never be allowed to dry too much.
As with most Dendrobiums, these plants require very bright diffused light. They are deciduous and lose all their leaves during the winter months.
Dendrobium constrictum is a compact plant with dense umbels of white flowers. Sepals greenish white, lip green except for the white apex.
Found in the Bismark Islands and in Papua New Guinea just below the mist forests on mossy trees at elevations around 700 meters as a small sized, warm growing epiphyte.
Dendrobium densiflorum grows as an epiphyte or sometimes lithophyte in intermediate elevation monsoon forests. Coming from monsoon areas, it requires a dry rest in the winter. The inflorescences arch gracefully downwards, each carrying a large number of flowers, and when open, looking like a bunch of grapes.
The most commonly cultivated form of Dendrobium fimbriatum, variety oculatum is distinguished by its maroon-blotched floral lip. An epiphyte, it typically grows on tree trunks and rock ledges in the wild.
Fringed dendrobium requires partial shade, mild summers, and relatively cool, dry winters.
Dendrobium formosum has a very large and stately flower that is pure white with contrasting yellow-orange markings in the center of the lip.
Dendrobium 'Dawn Maree' (Den. formosum x Den. cruentum)
Dendrobium 'Frosty Dawn' (Den. 'Dawn Maree' x Den. 'Lime Frost')