Rafflesia philippensis
Definition
Rafflesia philippensis is a parasitic flowering plant of the family Rafflesiaceae named by Francisco Manuel Blanco in his Flora de Filipinas in 1845. It is known only from a mountain between the provinces of Laguna and Quezon on Luzon, where it parasitizes the vine Tetrastigma pisicarpum.
Identities
| Source Type | Identity |
|---|---|
| Wikipedia | Rafflesia philippensis |
| Wikidata | Q4118523 |
| DBpedia | N/A |
Also Known As
Bóo (local name recorded by Blanco); a member of the “corpse flower” group, so called for the carrion-like odor Rafflesia blossoms use to attract pollinating flies.
Examples and Analogies
Like other Rafflesia, it is a plant that behaves like a ghost: bodyless for most of its life, living wholly inside its host vine until its bud breaks through the bark and opens into a large, fleshy flower — the only visible evidence of its existence.
Usage Scenarios
The species figures in botanical surveys of the Sierra Madre foothills, conservation education about parasitic plants, and eco-tourism discussions around Rafflesia blooming events on Luzon.
Strategies
Conservation attention focuses on protecting its host vines and forest habitat, monitoring known blooming sites, and enlisting local conservation groups to document flowers rather than collect them.
Security and Safety Measures
Visitors to blooming sites are asked not to touch buds or trample roots of host vines; researchers coordinate with local governments and landowners to prevent over-visitation, which can kill buds.
Historical Context
Blanco described the species in 1845 from material collected in the mountains between Laguna and Quezon. It then went essentially unnoticed for more than a century and a half until 2003, when members of Tanggol Kalikasan, a Quezon environmental group, photographed an open flower and brought it to the attention of Manuel S. Enverga University Foundation, whose team documented the rediscovery.
Challenges and Controversies
Its extreme rarity — a single known mountain — makes any habitat disturbance, from illegal logging to unregulated tourism, an existential threat. Doubts about Blanco’s type material have also complicated taxonomic comparison with other Luzon Rafflesia.
Related Topic
Rafflesia speciosa — another Philippine Rafflesia, described from Panay, illustrating the diversity of the genus in the country