Lilium speciosum, sometimes called the Japanese lily (though there are other species with this common name), is a lily

Lilium

Lilium is a genus of herbaceous flowering plants growing from bulbs. Most species are native to the temperate northern hemisphere, though the range extends into the northern subtropics...

 native to Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. It grows up to around 1.5 m in height. The flowers are white to pink in colour, and strongly scented. It is later flowering than most other species. Many garden forms are in cultivation, and the species has been widely used for breeding of garden forms.