Republic of the Philippines - Stamps & Postal History

RP Issues of 2013

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2013, March 13.  Pitcher Plants of the Philippines

Litho Offset.  Amstar Company, Inc.  Perf 14

Se-tenant Blocks of 4,  Miniature Sheets of 16 (4 x 4);  Souvenir Sheets of 4

 

        

Se-tenant Blocks of Four  (30,000) 

 

10p  Nepenthes peltata

10p  Nepenthes truncata

10p  Nepenthes burkei

10p  Nepenthes attenboroughii

 

Miniature Sheets of 16   (7,500)

 

40p Souvenir Sheets of Four  (5,000)

10p Nepenthes mindanaoensis

10p Nepenthes sibuyanensis

10p Nepenthes mira

10p Nepenthes mentalingajanensis

 

Layout Artist:  Victorino Z. Serevo

 

First Day Covers:  Manila

 

   

 

 

PITCHER PLANTS OF THE PHILIPPINES

Pitcher plants are carnivorous plants whose prey-trapping mechanism features a deep cavity filled with liquid known as a pitfall trap. There are more than a hundred species of pitcher plants and many of them can be found in the Philippines. 

Foraging, flying or crawling insects such as flies are attracted to the cavity formed by the cupped leaf. The rim of the pitcher is slippery, when moistened by condensation or nectar, causing insects to fall into the trap.

Nepenthes peltata.   A tropical pitcher plant known only from the upper slopes of Mount Hamiguitan on the island of Mindanao in the Philippines.   It is characterized by a peltate tendril attachment and conspicuous indumentum. The species typically produces ovoid pitchers with a prominent basal crest and large nectar glands on the lower surface of the lid. http://en.wikipedia.org/wiki/Nepenthes_peltata

Nepenthes truncata.  A tropical pitcher plant endemic to the Philippines.  It is known from the islands of Dinagat, Leyte, and Mindanao.  The species grows at an elevation of 0–1500 m above sea level. Characterised by its heart-shaped (truncate) leaves and very large pitchers, which can reach up to 40 cm in height.  http://en.wikipedia.org/wiki/Nepenthes_truncata 

Nepenthes burkei.   A pitcher plant native to the island of Mindoro in the Philippines, where it grows at an elevation of 1100–2000 m.   It is very closely related to N. sibuyanensis and N. ventricosa. It has only recently entered cultivation.  Produces green, hour-glass shaped pitchers with red blotches and dark red, flared peristomes.  http://en.wikipedia.org/wiki/Nepenthes_burkei 

Nepenthes attenboroughii.   Also known as Attenborough's pitcher plant.  A montane species of insectivorous pitcher plant of the genus Nepenthes. It is named after the celebrated broadcaster and naturalist Sir David Attenborough, who is a keen enthusiast of the genus. The species is characterized by its large and distinctive bell-shaped lower and upper pitchers and narrow, upright lid.  The type specimen of N. attenboroughii was collected on the summit of Mount Victoria, an ultramafic mountain in central Palawan, the Philippines.  http://en.wikipedia.org/wiki/Nepenthes_attenboroughii

Souvenir Sheets

Nepenthes mindanaoensis.  A species of pitcher plant endemic to coastal lateritic hills on Mindanao in the Philippines.   It is very closely related to N. alata.  http://en.wikipedia.org/wiki/Nepenthes_mindanaoensis

Nepenthes sibuyanensis.  A tropical pitcher plant endemic to Sibuyan Island in the Philippines, after which it is named.   It grows on Mount Guiting-Guiting, neighbouring Mount Mayo, as well as the ridge that connects these two mountains.  http://en.wikipedia.org/wiki/Nepenthes_sibuyanensis 

Nepenthes mira.   A highland pitcher plant endemic to Palawan in the Philippines. It grows at elevations of 1550–1605 m above sea level.  Has no known natural hybrids.  No forms or varieties have been described.  http://en.wikipedia.org/wiki/Nepenthes_mira 

Nepenthes mantalingajanensis.  A tropical pitcher plant known only from the summit region of Mount Mantalingajan, the highest point on the Philippine island of Palawan, after which it is named.  Typical habitat is upper montane forest and scrub vegetation. Plants growing on the summit are very stunted and grow amongst subalpine shrubbery with a wind-clipped canopy that rarely exceeds 80 cm. In such open sites, it is exposed to direct sunlight and frequently flowers at a height of less than 25 cm.  http://en.wikipedia.org/wiki/Nepenthes_mantalingajanensis

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Articles by Dr. Ngo Tiong Tak

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Issues of 2013