Karl Koch

The pecan ( pih-KAN, also US: pih-KAHN, PEE-kan, UK: PEE-kən; Carya illinoinensis) is a species of hickory native to the Southern United States and northern Mexico in the region of the Mississippi River. Originally native to the south-central U.S., the tree is cultivated for its seed primarily in the U.S. states of Georgia, New Mexico, Texas, Louisiana and in Mexico. The seed is an edible nut used as a snack and in various recipes, such as praline candy and pecan pie. The pecan is the state nut of Alabama, Arkansas, California, Texas, and Louisiana, and is also the state tree of Texas.

Araucaria araucana, commonly called the pewen, monkey-puzzle, pehuen or piñonero or Chile pine, is an evergreen tree belonging to the family Araucariaceae and growing to a height of 30–40 m (98–131 ft) and a trunk diameter of 1–1.5 m (3.3–4.9 ft). Native to central and southern Chile and western Argentina, it is the hardiest species in the conifer genus Araucaria. It is also the national tree of Chile and of the neighboring Argentine province of Neuquén. The IUCN changed its conservation status to Endangered in 2013, because logging, forest fires, and grazing have caused its population to

Amorphophallus konjac, commonly known as moyu (Chinese: 魔芋; pinyin: móyù, lit. 'demonic taro', 'magical taro'), juruo (Chinese: 蒟蒻; pinyin: jǔruò), konnyaku, or konjac is a species of flowering plant in the family Araceae. In English, it is also referred to as devil's tongue, voodoo lily, snake palm, or elephant yam. Native to China and cultivated in East and Southeast Asia, the perennial species forms a corm, the stem of which produces a purplish flower. Food made from the corm is known as móyù (Chinese: 魔芋), a term that also refers to the plant itself, and as konnyaku in Japanese. It can be

Alnus alnobetula is a common tree widespread across much of Europe, Asia, and North America. Many sources refer to it as Alnus viridis, the green alder, but botanically this is considered an illegitimate name synonymous with Alnus alnobetula subsp. fruticosa.

Stachys byzantina (syn. S. lanata), the lamb's-ear (lamb's ear) Monty plant or woolly hedgenettle, is a species of flowering plant in the mint family Lamiaceae, native to Armenia, Iran, and Turkey. It is cultivated throughout much of the temperate world as an ornamental plant, and is naturalised in some locations as an escapee from gardens. Plants are very often found under the synonym Stachys lanata or Stachys olympica. Lamb's-ear flowers in late spring and early summer; plants produce tall spike-like stems with a few reduced leaves. The flowers are small and light purple. The plants tend to

Glyptostrobus pensilis, known in Chinese as 水松 (Shuǐ sōng), and also Chinese swamp cypress, is an endangered conifer, and the sole living species in the genus Glyptostrobus.

Quercus pontica, the Pontic oak or Armenian oak, is a species of endangered oak in the family Fagaceae. It is currently extant to the western Caucasus mountains of Georgia and northeastern Turkey where it grows at altitudes of 1,300–2,100 metres (4,300–6,900 feet).

Larix laricina, commonly known as the tamarack, hackmatack, eastern larch, black larch, red larch, or American larch, is a species of larch native to Canada, from eastern Yukon and Inuvik, Northwest Territories east to Newfoundland, and also south into the upper northeastern United States from Minnesota to Cranesville Swamp, West Virginia; there is also an isolated population in central Alaska.

The Kentucky coffeetree (Gymnocladus dioicus), also known as American coffee berry, Kentucky mahogany, nicker tree, and stump tree, is a tree in the subfamily Caesalpinioideae of the legume family Fabaceae, native to the Midwest, Upper South, Appalachia, and small pockets of New York in the United States and Ontario in Canada. The seed may be roasted and used as a substitute for coffee beans; however, unroasted pods and seeds are toxic. The wood from the tree is used by cabinetmakers and carpenters. It is also planted as a street tree. From 1976 to 1994, the Kentucky coffeetree was the state

Magnolia sieboldii, or Siebold's magnolia, also known as Korean mountain magnolia and Oyama magnolia, is a species of Magnolia native to east Asia in China, Japan, and Korea. It is named after the German doctor Philipp Franz von Siebold (1796–1866).

Cephalotaxus harringtonii, commonly known as Korean plum yew, Japanese plum-yew, Harrington's cephalotaxus, or cowtail pine, is a species of coniferous shrub or small tree in the family Taxaceae. It is native to East Asia, but is occasionally utilised in western gardens and several cultivars exist for these purposes. Japanese plum yew (Korean plum yew) has been in cultivation in Europe since 1829, and many modern horticulturists are familiar with this species, named in honour of Charles Stanhope, 4th Earl of Harrington, one of the first to grow the plant in a European garden, at Elvaston.

Cephalotaxus harringtonii, commonly known as Korean plum yew, Japanese plum-yew, Harrington's cephalotaxus, or cowtail pine, is a species of coniferous shrub or small tree in the family Taxaceae. It is native to East Asia, but is occasionally utilised in western gardens and several cultivars exist for these purposes. Japanese plum yew (Korean plum yew) has been in cultivation in Europe since 1829, and many modern horticulturists are familiar with this species, named in honour of Charles Stanhope, 4th Earl of Harrington, one of the first to grow the plant in a European garden, at Elvaston.

Acer cissifolium (vine-leafed maple, vineleaf maple, and variations thereof; Japanese: ミツデカエデ, romanized: mitsudekaede) is a maple native to Japan, from southern Hokkaidō south through Honshū and Shikoku to Kyūshū. It is a deciduous small tree or large shrub growing to 5–10 m (rarely 15 m) in height, with smooth grey bark. The young shoots are green, often tinged pink, hairy at first with whitish hairs, becoming grey in the second year. The leaves are trifoliate, with a very slender red petiole up to 10 cm long; the three leaflets are 4–10 cm long and 2–4 cm broad, with 1–2 cm petiolules, and

Ostrya virginiana, the American hophornbeam, is a species of Ostrya native to eastern North America, from Nova Scotia west to southern Manitoba and eastern Wyoming, southeast to northern Florida and southwest to eastern Texas. Populations from Mexico and Central America are also regarded as the same species, although some authors prefer to separate them as a distinct species, Ostrya guatemalensis. Other names include eastern hophornbeam, hardhack (in New England), ironwood, and leverwood.

Hedera colchica is a species of flowering plant in the family Araliaceae . It is native to the Middle East and commonly called Persian ivy or colchis ivy. It is an evergreen climbing plant, growing to 30 m high where suitable surfaces (trees, cliffs, walls) are available, and also growing as ground cover where there are no vertical surfaces. It climbs by means of aerial rootlets which cling to the substrate. In warm climates, it grows more rapidly and becomes established faster than other Hedera species.

Carya ovata, the shagbark hickory, is a common hickory native to eastern North America, with two varieties. The trees can grow to quite a large size but are unreliable in their fruit output. The nut is consumed by wildlife and historically by Native Americans, who also used the wood.

Pseudopanax (Latin for "false ginseng") is a genus of seven species of evergreen plants that are endemic to New Zealand. Flowers of the genus occur in terminal umbels.

Carya cordiformis, the bitternut hickory, also called bitternut, yellowbud hickory, or swamp hickory, is a large hickory species native to the eastern United States and adjacent Canada. Notable for its unique sulphur-yellow buds, it is one of the most widespread hickories and is the northernmost species of pecan hickory (Carya sect. Apocarya). It is the shortest-lived of the hickories, living to about 200 years.

Amelanchier × spicata, also referred to as the low juneberry, thicket shadbush, dwarf serviceberry, or low serviceberry (historically also called "pigeon berry"), is a hybrid of Amelanchier alnifolia × Amelanchier humilis. that has edible fruit, which are really pomes. They can be eaten raw or cooked. Amelanchier × spicata has clusters of small white flowers that bloom in spring. Amelanchier × spicata is native to North America. It is a very hardy species, and is considered invasive in Scandinavia.

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Stipa pulcherrima, golden feather grass is a bisexual flowering plant in the family Poaceae.

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Tetrapanax papyrifer, the rice paper plant (通草—tong cao), is an evergreen shrub or small tree in the family Araliaceae, the sole species in the genus Tetrapanax. The specific epithet is frequently misspelled as "papyriferum", "papyriferus", or "papyrifera". It is native to eastern and central China and Taiwan, but widely cultivated in East Asia and in other tropical to mild temperate regions as well. The species was first described in the genus Aralia as Aralia papyrifera, and has also been treated in Fatsia as Fatsia papyrifera. A second species, Tetrapanax tibetanus, is now regarded as a

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Caragana frutex is a species of flowering plant belonging to the family Fabaceae. Its native range is Bulgaria to China.

Melica picta is a species of grass in the family Poaceae that can be found in Europe, northwestern Africa and southwestern Asia.

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 hornlike appearance of the two protruding curly stigmas of its flowers, which are retained on its winged seeds.

Hordeum spontaneum, commonly known as wild barley or spontaneous barley, is the wild form of the grass in the family Poaceae that gave rise to the cereal barley (Hordeum vulgare). Domestication is thought to have occurred on two occasions, first about ten thousand years ago in the Fertile Crescent and again later, several thousand kilometres further east.

Portea is a genus in the plant family Bromeliaceae, subfamily Bromelioideae. It is native to the Atlantic coast of Brazil. The genus is named for Dr. Marius Porte, a nineteenth-century French naturalist who died in 1866, in Manila, while on a specimen-collecting expedition for the French National Museum of Natural History.

Philodendron erubescens, the blushing philodendron or red-leaf philodendron, is a species of flowering plant in the family Araceae, native to Colombia. It is a robust evergreen climber growing to 3–6 m (10–20 ft), with red stems and heart-shaped leaves up to 40 cm (16 in) in length. The flowers are deep red, fragrant spathes up to 15 cm (6 in) long, in summer and autumn. The specific epithet erubescens means "blushing".