Teak is a tropical hardwood tree species in the family Lamiaceae. It is a large, deciduous tree that occurs in mixed hardwood forests. Tectona grandis has small, fragrant white flowers arranged in dense clusters (panicles) at the end of the branches. These flowers contain both types of reproductive organs. The large, papery leaves of teak trees are often hairy on the lower surface. Teak wood has a leather-like smell when it is freshly milled and is particularly valued for its durability and water resistance. The wood is used for boat building, exterior construction, veneer, furniture, carving, turnings, and various small projects.
Liriodendron tulipifera—known as the tulip tree, American tulip tree, tulipwood, tuliptree, tulip poplar, whitewood, fiddletree, lynn-tree, hickory-poplar, and yellow-poplar—is the North American representative of the two-species genus Liriodendron, and the tallest eastern hardwood. It is native to eastern North America from Southern Ontario and possibly southern Quebec to Illinois eastward to southwestern Massachusetts and Rhode Island, and south to central Florida and Louisiana. It can grow to more than 50 m (160 ft) in virgin cove forests of the Appalachian Mountains, often with no limbs until it reaches 25–30 m (80–100 ft) in height, making it a very valuable timber tree. The tallest individual at the present time (2021) is one called the Fork Ridge Tulip Tree at a secret location in the Great Smoky Mountains of North Carolina. Repeated measurements by laser and tape-drop have shown it to be 191 feet 10 inches (58.47 m) in height. This is the tallest known individual tree in eastern North America.
Apocynaceae is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, because some taxa were used as dog poison. Members of the family are native to the European, Asian, African, Australian, and American tropics or subtropics, with some temperate members. The former family Asclepiadaceae is considered a subfamily of Apocynaceae and contains 348 genera. A list of Apocynaceae genera may be found here.
Alstonia is a widespread genus of evergreen trees and shrubs, of the family Apocynaceae. It was named by Robert Brown in 1811, after Charles Alston (1685–1760), professor of botany at Edinburgh from 1716 to 1760.
Dyera costulata, the jelutong, is a species of tree in the family Apocynaceae. It grows to approximately 60 metres (200 ft) tall with diameters of 2 metres, or even to 80 m (260 ft) tall with diameters to 3 m (10 ft), and boles clear and straight for 30 m (90 ft). It grows in Malaysia, Borneo, Sumatra and southern Thailand. Its natural distribution is scattered locales in low-elevation tropical evergreen forest.
Calophyllum brasiliense (guanandi) is a species of plant in the family Calophyllaceae. It is native to subtropical and tropical regions of Mexico, Central America, South America and the Caribbean.
Alstonia scholaris, commonly called blackboard tree, scholar tree, milkwood or devil's tree in English, is an evergreen tropical tree in the Dogbane Family (Apocynaceae). It is native to southern China, tropical Asia and Australasia, where it is a common ornamental plant. It is a toxic plant, but is used traditionally for myriad diseases and complaints.
Plathymenia reticulata is a species of legume native to much of eastern South America. It is placed in its own genus, Platyhymenia, although other species have previously been recognised in that genus. It grows up to 30 m (98 ft) tall, and has distinctive flattened seed pods. Its wood is rot-resistant, and is widely used as a structural timber.
Alstonia macrophylla, the hard alstonia, hard milkwood or big-leaved macrophyllum, is a species of plant in the family Apocynaceae.
Cerbera floribunda, commonly known as cassowary plum, grey milkwood, or rubber tree, is a plant in the family Apocynaceae which is native to the region from Sulawesi to the Solomon Islands, including north east Queensland.
Artocarpus hirsutus, commonly known as wild jack, is a tropical evergreen tree species that is native to India, primarily in Kerala, but also in Karnataka, Maharashtra and Tamil Nadu, where it grows in moist, deciduous to partially evergreen woodlands.
Xylocarpus granatum, commonly known as the cannonball mangrove, cedar mangrove, or puzzlenut tree, is a species of mangrove in the mahogany family (Meliaceae). It is found in Africa, Asia, Australasia and the Pacific Islands. It is a common species of mangrove, and the International Union for Conservation of Nature has assessed its conservation status as being of "least concern".
Cynometra alexandri, the Uganda ironwood or muhimbi, is a species of legume that occurs in tropical lowland forests of central and east Africa. They grow gregariously in drier forest types and as a constituent of swamp forests. They reach some 120 feet (37 m) to 150 feet (46 m) in height, and larger trees often develop hollow boles and buttress roots.
Strombosia pustulata is a species of tree in the family Olacaceae. It is native to the rainforests of tropical West and Central Africa. Common names for this tree include itako in Nigeria, afina in Ghana, poé in Abé spoken in Côte d'Ivoire and mba esogo in Equatorial Guinea.
Julbernardia seretii, commonly known as the Congo zebrawood, is a species of legume in the family Fabaceae. It is found in tropical West and Central Africa.
Anthostema madagascariense is a species of flowering plant in the family Euphorbiaceae. It is a small to medium-sized tree or large bush, endemic to Madagascar, the Comoro Islands and Mayotte.
Drypetes gerrardii is a species of small tree or large shrub in the family Putranjivaceae. Common names include forest ironplum, bastard white ironwood, and forest ironwood. It is native to tropical and subtropical central and eastern Africa. It was first described in 1920 by the English botanist John Hutchinson, who named it after the English botanist William Tyrer Gerrard who collected plants and seeds in southern Africa in the 1860s.
Alstonia congensis, is a tree within the Apocynaceae family and one of two African species within the Alstonia genus, the other being the Alstonia boonei De Wild. Both have similar morphological characteristics.
Gambeya africana is a medium sized tree within the Sapotaceae family. It is sometimes known as the African Star Apple along with the closely related Gambeya albida. Both species have similar leaf indumentum and are widespread in the Lower and Upper Guinea forest mosaic.
Alstonia muelleriana is a tree in the dogbane family Apocynaceae which is native to southern Papua New Guinea and northeastern Queensland.
