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The 20th Asian International Stamp Exhibition
"BANGKOK 2007" The 20th Asian International Stamp Exhibition is the third Asian international philatelic exhibition hosted by Thailand after such exhibitions in 1989 and 2000. It is organized by Thailand Post Co., Ltd. in cooperation with the Philatelist Association of Thailand under the patronage of Federation Internationale de Philatelie (FIP) and the Federation of Inter-Asian Philately (FIAP). This event will be held from 3 to 12 August 2007 at Siam Paragon, the largest shopping complex in Thailand.
The common objective of Bangkok 2007 is to promote and disseminate the value of stamps. In this occasion, on 3 August 2007 Indonesia issues special stamps depicting on of the recently most popular flowers among plant enthusiasts, Nepenthes sp. Indonesia is home to more than seventy percent of the known Nepenthes species in the world.
Popularly known as Tropical Pitcher Plants or Monkey Cups, the Nepenthes are a genius of carnivorous plants in monotypic family Nepenthaceae that comprises roughly 116 species. The name 'Monkey Cups' refers to the fact that monkeys have been observed drinking rainwater from these plants. they are vine forming plants of the Old World tropics, ranging from South China, Indonesia, Malaysia and the Philippines; westward to Madagascar (2 species) and the Seychelles (1); southward to Australia (3) and New Caledonia (1); and northward to India (1) and Sri Lanka (1). The greatest diversity occurs on Kalimantan and Sumatra islands with many endemic species. Many are plants of hot humid lowland areas, but the majority are tropical montane plants.
In Indonesia, these deciduous climber plants have different names such as periuk monyet (Riau), kantong beruk (Jambi), ketakung (Bangka), sorok raja mantri (West Java), ketupat napu (Dayak Katingan), telep ujung (Dayak Bakumpai) and selo begongong (Dayak Tunjung).
Nepenthes is categories as carnivorous plant that lives both on soil (terrestrial) or stick on other trees (epiphyte) on the infertile land, particularly lack of nitrogen. Nepenthes leave's tip ids deformed and functioned as a trap for insects and other small animals. The plants usually consist of a shallow root system and a prostrate or climbing stem, often several metres long, and usually 1 cm or less in diamenter. From the stems arise leaf-like expanded petioles, ending in a tendril, which in some species and in climbing, and at the end of which forms the pitcher, considered the true leaf. The pitcher starts as a small bud and gradually expands to form a globe- or tube-shaped trap.
The trap contains a fluid which is used to drown the prey. The lower part of the trap contains glands which absorb nutrients from captured prey. Surrounding the entrance to te trap is a structure which is slippery and often quite clorful, attracting prey but offering an unsure footing. Plants may contain several different types of pitcher, lower traps which typically sit on the ground usually are larger and more round, hanging pitcher are more funnel-shaped, usually smaller and may be colored differently.
Included in Nepenthaceae family and Magnospolida class, Nepenthes is divided into three types according to height level of its habitat, i.e. low land (0-500 meter asl), medium land (500-1,000 meter asl) and high land (above 1,000 meter asl). Requiring intensive sun shining, weather temperature around 23 to 31 Celsius degree, and humidity around 50 to 70 %, this plant can be propagated by cutting, seed, and tissue culture. In its natural habitat, continued existence of nepenthes is threatened by estate crop, forest plantation and mining.
Classification of issuance : Special Stamps
Product code : 071308
Issue Date : 3 August 2007
Designs & Denominations : 1/2 Nepenthes mirabilis Rp 1.500,00
2/2 Nepenthes ampullaria Rp 1.500,00
Size : 1/2 20.53 mm x 50.62 mm
2/2 41.06 mm x 25.31 mm
Perforations : 12.75 x 13.50
Sheet composition : 8 pieces
Price per-Sheet : Rp 12,000.00
Colors : 5 colours
Paper : Tullis Russel
Gum : PVA
Printing Process : Offset
Printing quantity : 25,000 sets
Designer : Dadan Rusdiana
Printer : Perum Peruri
Product code : 071408
Denomination : Rp 5,000.00
Printing quantity : 50,000 sets
Product code : 072308
Price : Rp 7,000.00
Printing quantity : 5,000 pcs
Designer : Tata Sugiarta
Stamp Sales Period : 3 August 2007- 31 Desember 2010
Period of Validity For Postage : 3 August 2007 - 31 December 2012
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