The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at 23°26′10.0″ (or 23.4361°) N and the Tropic of Capricorn in the Southern Hemisphere at 23°26′10.0″ (or 23.4361°) S. The tropics are also referred to as the tropical zone and the torrid zone.
Bauhinia is a large genus of flowering plants in the subfamily Cercidoideae and tribe Bauhinieae, in the large flowering plant family Fabaceae, with a pantropical distribution. The genus was named after the Bauhin brothers Gaspard and Johann, Swiss-French botanists.
Luzula is a genus of flowering plants in the rush family Juncaceae. The genus has a cosmopolitan distribution, with species occurring throughout the world, especially in temperate regions, the Arctic, and higher elevation areas in the tropics. Plants of the genus are known commonly as wood-rush, wood rush, or woodrush. Possible origins of the genus name include the Italian lucciola or the Latin luzulae or luxulae, from lux ("light"), inspired by the way the plants sparkle when wet with dew. Another etymology sometimes given is that it does derive from lucciola but that this meant a mid-summer field, or from the Latin luculus, meaning a small place; the same source also states that this name was applied by Luigi Anguillara in 1561.
The Wet Tropics of Queensland World Heritage Site consists of approximately 8,940 km2 of Australian wet tropical forests growing along the north-east Queensland portion of the Great Dividing Range. The Wet Tropics of Queensland meets all four of the criteria for natural heritage for selection as a World Heritage Site. World Heritage status was declared in 1988, and on 21 May 2007 the Wet Tropics were added to the Australian National Heritage List.
The Daintree Rainforest, also known as the Daintree, is a region on the northeastern coast of Queensland, Australia, about 105 km (65 mi), by road, north of the city of Cairns. Whilst the terms "Daintree Rainforest" and "the Daintree" are not officially defined, it is generally accepted and understood that they refer to the area from the Daintree River north to Cooktown, and from the coastline west to the Great Dividing Range. The popular tourist destination of Mossman Gorge, some 30 km (19 mi) south of the Daintree River, is often included in the definition.
The plant tribe Phaseoleae is one of the subdivisions of the legume subfamily Faboideae, in the unranked NPAAA clade. This group includes many of the beans cultivated for human and animal food, most importantly from the genera Glycine, Phaseolus, and Vigna.
Olacaceae is a family of flowering plants in the order Santalales. They are woody plants, native throughout the tropical regions of the world. As of July 2021, the circumscription of the family varies; some sources maintain a broad family, others split it into seven segregate families.
Echinolaena is a genus of plants in tribe Paspaleae of the grass family, native to the New World tropics. It includes only two species after the referral of former members to the related genera Hildaea, Ichnanthus, Oedochloa and the more distant Chasechloa in a 2015 revision.
Normanbya is a monotypic genus of palms containing the single species Normanbya normanbyi, which is known by the common name black palm It is endemic to Queensland, Australia and is threatened by habitat destruction.
Tropical horticulture is a branch of horticulture that studies and cultivates plants in the tropics, i.e., the equatorial regions of the world. The field is sometimes known by the portmanteau "TropHort".
Calopogonium is a genus of flowering plants in the legume family, Fabaceae. It includes eight species, which range through the tropical Americas from Mexico through Central America, the Caribbean, and northern South America to northeastern Argentina. It belongs to the subfamily Faboideae.
Angiopteris evecta, commonly known as the king fern, giant fern, elephant fern, oriental vessel fern, Madagascar tree fern, or mule's Foot fern, is a very large rainforest fern in the family Marattiaceae native to most parts of Southeast Asia and Oceania. It has a history dating back about 300 million years, and is believed to have the longest fronds of any fern in the world.
Neslia is a monotypic plant genus in the family Brassicaceae. The only extant species is Neslia paniculata(L.) Desv.
Myricaria is a genus of flowering plants of the family Tamaricaceae. It includes 13 species native to temperate Eurasia, ranging from Spain to China.
Trifolium spadiceum is a species of flowering plant belonging to the family Fabaceae.
Crotalaria spectabilis, the showy rattlebox or showy rattlepod, is a species of flowering plant in the pea family Fabaceae. It is native to the Indian Subcontinent, southern China, and Southeast Asia. It is a perennial herb that grows up to 0.6–1.5 m (24–59 in) tall. It grows in montane grasslands. It was introduced to most of the world's tropics and subtropics and is now a serious agricultural pest species. It is toxic to livestock, causing liver damage.
Didesmus is a genus of flowering plants belonging to the family Brassicaceae.
Muricaria is a genus of flowering plants belonging to the family Brassicaceae.
Sorghum arundinaceum, the common wild sorghum, is a species of flowering plant in the family Poaceae. It is native to Sub‑Saharan Africa, Madagascar, many of the Indian Ocean islands, and the Indian Subcontinent, and has been introduced to northern South America, the US states of California and Florida, Puerto Rico, Taiwan, New Guinea, and a number of smaller islands worldwide. It is the wild progenitor of cultivated sorghum, Sorghum bicolor, with some authorities considering it to be a mere variety or subspecies; Sorghum bicolor var. arundinaceum, or Sorghum bicolor subsp. verticilliflorum.
Valeriana eriocarpa is a species of flowering plant in the family Caprifoliaceae. It is an annual native to western and southern Europe, northwestern Turkey, and north Africa.
