Begonia eiromischa
It occurred at granite rocks in an altitude of 170 m in the proximity of dipterocarp forests. Begonia eiromischa is only known from two collections made in 1886 and 1898 at Pulau Betong, Penang Island in Malaysia. Its habitat was completely destroyed as a result of to agricultural alteration. Despite of extensive surveys it could not be rediscovered and so it was officially declared extinct by the IUCN in 2007.Begonia eiromischa, commonly known as Woolly-stalked Begonia, is a presumed extinct plant from Malaysia. It occurred at granite rocks in an altitude of 170 m in the proximity of dipterocarp forests. Begonia eiromischa is only known from two collections made in 1886 and 1898 at Pulau Betong, Penang Island in Malaysia. Its habitat is completely destroyed due to agricultural alteration. Despite of extensive surveys it could not be rediscovered and so it was officially declared extinct by the IUCN in 2007. More
According to the 2007 IUCN Red List, Begonia eiromischa from Penang is now officaially extinct. Actually, it has been "unofficially" extinct for more than 10 years already as the only stream where it was found was destroyed. If only a collector had salvaged some plants, like Begonia rajah, which was thought to be extinct for many years but existed widely in cultivation. More