Philippine Hibiscus Hybrids Featured on Stamps by PHLPOST Authorities

Manila Central Post Office, Liwasang Bonifacio, Ermita, Manila, Philippines

Philippine hibiscus sheetlet

Philippine Postal Corporation issued a series of Philippine hibiscus ( gumamela) which were developed by plant horticulturists from the University of the Philippines Los Baños in Laguna province.

First Day Cover with Blocks of Four:

Hibiscus rosa-sinensis – ‘Goria’.     Has medium flowers, regular single, deep rose petals with white eye zone and prominent white vein markings. Plants are bushy, medium height, and a good bloomer.     This plant is attractive to bees, butterflies and/or birds.     Suitable for growing indoors and in containers.

Hibiscus rosa-sinensis – ‘Nay Isa’. Has medium to large flowers, fully overlapped single, brilliant yellow petals with splashes of orange on the eye and zone. Plants are tall, bushy with upright habit, and prolific bloomer.

Hibiscus rosa-sinensis – ‘Tandang Sora’.     Has a single medium regular flower, and creamy white petals with prominent red eye zone. Plants are very prolific bloomer, upright with average height.

Hibiscus rosa-sinensis – ‘Nazaria’. Has medium flowers, cartwheel overlapped single, cerise pink petals with deep red eye zone. Plants are bushy with medium height, and good bloomer.

 Souvenir Sheet:

First Day Cover -Philippine Hibiscus souvenir sheet

Hibiscus rosa – sinensis “Emerita V. De Guzman”.     Named after Dr. Emerita V. de Guzman, Filipino scientist who researched the propagation of pure makapuno trees. In particular, she studied the growth and development, in vitro, of the makapuno coconut embryo. Emerita De Guzman research led to the faster propagation of pure macapuno trees and increased makapuno nut production from 3-5 makapuno nuts to 14-19 nuts. Emerita De Guzman also invented tissue culture techniques for the rapid propagation of abaca and banana plants.

Hibiscus rosa – sinensis “Helen L. Valmayor”.     Named after Helen L. Villamayor, Philippine Orchids propagator and author of several books on Philippine orchids.     Hibiscus rosa-sinensis ‘Helen Valmayor’ has bright orange petals with yellow edging and pronounced red eye zone. Flowers are medium to large, single, and have overlapped blooms that bloom for two days. Plants have good blooming habit and upright with leggy bush habit. It is part of the UPLB Millennium Hibiscus Hybrids Series.

Hibiscus rosa – sinensis “Gelia T. Castillo”. Named after Gelia T. Castillo, noted for being an outstanding Filipino rural sociologist. Dr. Castillo is a figure recognized internationally for her contributions as a social scientist. Her publications are major and definitive works on Philippine agricultural and rural development. Dr. Castillo and was elected as Academician in 1983, and was later conferred as National Scientist in 1999.

Hibiscus rosa – sinensis  ” Dolores A. Ramirez”.     Named after Dolores A. Ramirez, a Filipino national scientist known for her research in biochemical genetics and cytogenetics of plants. After her doctorate Dolores went back to University of Philippines as a professor and researcher. She focused on the cytogenetics of various important Philippine crops, including rice, coconut, banana, sugarcane, ornamentals, legumes, fruits like durian, lanzones, santol and balimbing.  In 1976 she received the Gregorio Y. Zara award in basic research. In 1981 she was the recipient of a Rizal Pro-Patria award for outstanding achievement in biochemical genetics, and in 1985, a UP Professorial Achievement award in agriculture. She was conferred as a National Scientist in 1997.

Technical Description of the STAMPS

Se-tenant Blocks of Four  (30,000)

10p  Hibiscus rosa – sinensis “Gloria”

10p  Hibiscus rosa – sinensis “Nay – isa”

10p  Hibiscus rosa – sinensis “Tandang Sora”

10p  Hibiscus rosa – sinensis “Nazaria”

 Miniature Sheets of 16   (7,500)

 40p Souvenir Sheets 4  (5,000)

10p  Hibiscus rosa – sinensis “Emerita V. De Guzman”

10p  Hibiscus rosa – sinensis “Helen L. Valmayor”

10p  Hibiscus rosa – sinensis “Gelia T. Castillo”

10p  Hibiscus rosa – sinensis  ” Dolores A. Ramirez”

 Layout Artist:  Rodine Teodoro

 Litho Offset, Amstar Company, Inc.,  Perf 14

Stamp size : 30x 40mm

Se-tenant Blocks of 4, Miniature Sheets of  16;  Souvenir Sheets of 4 First Day Cover

Designs:  The design of the stamps came from the University of the Philippines Los Banos (UPLB) Hibiscus Hybrid “Centennial Series”, dedicated to Filipino women who unselfishly served the cause of the Philippine revolution during the Spanish and American regimes, hence named after them.

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