Rafflesia arnoldii which then pollinate the rare plant. It is not to be confused with the titan arum, "Amorphophallus titanum", which is also commonly referred to as the "corpse flower" because of its repulsive odor. "Rafflesia arnoldii" is rare and fairly hard to locate. It is especially difficult to locate the flower in forests, as the buds take many months to develop and the flower lasts for just a few days. The flowers are unisexual and thus proximity of male and female flowers is vital for successful pollination. These factors make successful pollination a rare event. When "Rafflesia" is ready to reproduce,
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