Populus section Aigeiros is a section of three species in the genus Populus, the poplars. Like some other species in the genus Populus, they are commonly known as cottonwoods. The species are native to North America, Europe, and western Asia. In the past, as many as six species were recognized, but recent trends have been to accept just three species, treating the others as subspecies of P. deltoides.
Acer micranthum, the small-leaved maple, is a species of flowering plant in the family Sapindaceae in the snakebark maple group, native to Japan, on Honshū, Kyūshū and Shikoku. Its Japanese name is the Komine maple.
Koelreuteria paniculata is a species of flowering plant in the family Sapindaceae, native to eastern Asia. It was introduced in Europe in 1747, and to America in 1763, and has become a popular landscape tree worldwide. Common names include goldenrain tree, pride of India, China tree, and the varnish tree.
Cercidiphyllum is a genus containing two species of plants, both commonly called katsura. They are the sole members of the monotypic family Cercidiphyllaceae. The genus is native to Japan and China and unrelated to Cercis (redbuds).
Salix cinerea is a species of willow native to Europe and western Asia.
Quercus dentata, also called Japanese emperor oak or daimyo oak is a species of oak native to East Asia. The name of the tree is often translated as "sweet oak" in English to distinguish it from Western varieties. It is placed in section Quercus.
Acer shirasawanum, the Shirasawa maple or fullmoon maple, is a species of maple native to Japan, on central and southern Honshū, Shikoku, and Kyūshū.
Trochodendron aralioides, sometimes colloquially called wheel tree, is a flowering plant and the sole living species in the genus Trochodendron, which also includes several extinct species. It was also often considered the sole species in the family Trochodendraceae, though botanists now include the distinct genus Tetracentron in the same family. T. aralioides is native to Japan, southern Korea and Taiwan. Growing in lower temperate montane mixed forests in Japan, and broad-leaved evergreen forest in the central mountain ranges and Northern parts of Taiwan.
Acer japonicum, Fullmoon Maple, Downy Japanese-Maple, is a species of maple native to Japan, on Honshū, Hokkaidō, Kyūshū, and also southern Korea.
Acer carpinifolium is a species of maple native to Japan, on the islands of Honshū, Kyūshū, and Shikoku, where it grows in woodlands and alongside streams in mountainous areas.
Acer davidii, or Père David's maple, is a species of maple in the snakebark maple group. It is native to China, from Jiangsu south to Fujian and Guangdong, and west to southeastern Gansu and Yunnan.
Reynoutria sachalinensis is a species of Fallopia native to northeastern Asia in northern Japan and the far east of Russia.
Ligustrum japonicum, known as wax-leaf privet or Japanese privet is a species of Ligustrum (privet) native to central and southern Japan and Korea. It is widely cultivated in other regions, and is naturalized in California and in the southeastern United States from Texas to Virginia.
Tsuga sieboldii, also called the southern Japanese hemlock, or in Japanese, simply tsuga (栂), is a conifer native to the Japanese islands of Honshū, Kyūshū, Shikoku and Yakushima. In Europe and North America the tree is sometimes used as an ornamental and has been in cultivation since 1861.
Osmanthus heterophyllus, variously known as holly osmanthus, holly olive, and false holly, is a species of flowering plant in the olive family Oleaceae, native to eastern Asia in central and southern Japan and Taiwan.
Cercidiphyllum japonicum, known as the katsura, is a species of flowering tree in the family Cercidiphyllaceae native to China and Japan. It is sometimes called caramel tree for the light caramel smell it emits during leaf fall.
Cola nitida is a species of plant belonging to the family Malvaceae.
Fatoua villosa is an annual herb in the Moraceae (mulberry) family. Common names include mulberry weed, crabweed, or hairy crabweed in English,kuwakusa in Japanese, and shuǐ shémá (水蛇麻) or xiǎo shémá (小蛇麻) in Mandarin. It is native to Eastern Asia, some Pacific islands, and parts of Australia, including in two Australian states, the Bismarck Archipelago, China, Indonesia, Japan, Korea, New Guinea, the Philippines, the Solomon Islands, Taiwan, Thailand and Vietnam. It has become an invasive species in the United States where it grows in disturbed areas such as flowerbeds, greenhouses, and agricultural fields.
Acer diabolicum, the horned maple or devil maple, is a species of maple that is endemic to central and southern Japan. There it is known as カジカエデ, kaji kaede or オニモミジ, oni‑momiji, and is planted as an ornamental. It is occasionally planted as an ornamental outside Japan. It gets its specific epithet and its common names from the two hornlike appearance of the protruding curly stigmas of its flowers, which are retained on its winged seeds.
Itoa orientalis is a species of flowering plants belonging to the family Salicaceae. An evergreen tree from China and Vietnam, and cultivated as an ornamental tree.
Leaves
Female flower
Male flower
