Rafflesia Park where the flowers are numbered and monitored by the park rangers. "Rafflesia" are also remarkable for showing a large horizontal transfer of genes from their host plants. This is well known among bacteria, but not higher organisms. The name "corpse flower" applied to "Rafflesia" can be confusing because this common name also refers to the titan arum ("Amorphophallus titanum") of the family Araceae. Moreover, because "Amorphophallus" has the world's largest unbranched inflorescence, it is sometimes mistakenly credited as having the world's largest flower. Both "Rafflesia" and "Amorphophallus" are flowering plants, but they are only distantly related. "Rafflesia arnoldii" has
Flora of Indonesia ("Jasminum sambac"), a small white flower with a sweet fragrance, is the national flower of Indonesia, together with "Anggrek Bulan" ("Phalaenopsis amabilis") and "Padma Raksasa Rafflesia" ("Rafflesia arnoldii"). All three were chosen on World Environment Day on 5 June 1990 by President Soeharto. On the other occasion "Bunga Bangkai" ("Titan arum") was also added as "puspa langka" together with Rafflesia. Each of Indonesian provinces also have their own floral emblems. To build respect and love for the Indonesian flora and fauna, the Government has declared 5 November as the national love flora and fauna day. Annually there are postage stamps