On the first of March 2008, the Vietnam’s Ministry of Information and Communications (MIC) issued the stamp set: "Orchids" consisting of 4 values with their denominations of 800d; 2,000d, 6,000d and 8,000d.
The stamp set shows specialities Vietnamese orchids: Calanthe densiflora Lindl, Ludisia discolor (Ker-Gawl) A.Rich, Spathoglottis affinis de Vriese, Calanthe argenteo-striata C.Tang & S.Cheng.
Orchid is one of beautiful and precious flowers. Orchids have diversified species. Each has own beauty. There are about 800 orchids species Vietnam, some of them are rare and precious ones with unique beauty and shape.
4-1: Calanthe densiflora Lindl.
Calanthe densiflora is a species of orchid from the genus Calanthe. Plant blooms in the fall with many 1.5 cm wide flowers.Plant is found growing in India, Myanmar, China, Taiwan and Vietnam at elevations of 160 to 1830 meters .Plants grows in intermediate to cool temperatures with shade. When potting Calanthe plants, the pseudobulbs must be half buried into the potting media.Plants should be watered regularly.
4-2: Ludisia discolor (Ker-Gawl.) A. Rich
Ludisia discolor is a species from the genus Ludisia.Plants are found growing in from India to Indonesia and in south east Asia .Plants bloom from winter to spring with many 1 .7 cm wide flowers. Flowers are fragrant .Plants are usually grown in intermediate to warm conditions. Keep plants in a shady area.
4-3: Spathoglottis affinis de Vriese
It is a widespread species found in Peninsular Malaysia, Thailand, Myanmar, Laos and Vietnam at elevations between 600-1,000 m.
Pseudobulbs of Spathoglottis affinis de Vriese are found below the ground and are flattened and of irregular shape. Each pseudobulb bears about 4 leaves that are up to 30 cm long and 2-3 cm wide. The leaves are deciduous and are often not on the plant during the winter flowering period.
Inflorescences are produced from the base and are much longer than the leaves and are up to 70 cm tall, bearing about 15 flowers that open progressively. Usually around 6-8 blooms are open at any one time.The bright yellow flowers are about 3 cm across and the lateral sepals are sometimes faintly streaked or veined with red.
4-4: Calanthe argenteo-striata C. Tang & S. Cheng
Calanthe argenteo-striata is a species of orchid from the genus Calanthe.Plant blooms in the spring with around ten to fifteen flowers. Plant is found growing on limestone slopes in Southeastern China and Vietnam at elevations of 100 to 1600 meters Plants grows in intermediate to warm temperatures with shade. When potting Calanthe plants, the pseudobulbs must be half buried into the potting media.
There are two official First Day Cover issue together with the stamps. All covers have special post marked on the sealed stamp. One of the covers depicts Spathoglottis affinis de Vriese and other cover have drawn a sketch of orchid plant with written the date of cover issued.
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