The climate is subtropical, cool and bracing in winter but insufferably hot in summer.
The range of the family extends over all the tropical and subtropical countries, including islands, except New Zealand.
Above the sea, gives it a mild, subtropical climate.
It is generally supposed that man originated in tropical or subtropical latitudes, and spread gradually towards the poles.
The eastern slopes receive more rain and are well clothed with vegetation, but the lower valleys are subtropical in character and are largely devoted to sugar production.
They are widely distributed in all tropical and subtropical countries, even in such solitary places as Christmas Island, but they do not occur in New Zealand.
The heat usual in subtropical countries is tempered by the cool breezes, and the atmosphere is dry and bracing.
Lying between these two regions is the subtropical belt where coffee of an excellent quality is produced, and where cotton is cultivated.
The tierra caliente zone of the coast is tropical, humid, and unfavourable to Europeans, while the inland plateaus vary from subtropical to temperate and are generally drier and healthful.
Heavy rainfall, high temperature and fertile soil combine to cover the greater part of the state, and particularly the alluvial regions and the coast swamps, with a most luxuriant subtropical vegetation, both arborescent and herbaceous.
The Ptychoderidae and Spengelidae are predominantly tropical and subtropical, while the Balanoglossidae are predominantly arctic and temperate in their distribution.
These snakes are all very poisonous, mostly viviparous and found in all tropical and subtropical countries, with the exception of Madagascar and New Zealand.
Characteristic trees are the locust tree and the stone pine; in Melia Azedarach and Ficus Sycomorus (Beirut) is an admixture of foreign and partially subtropical elements.
Observations with the xanthometer have not hitherto been numerous, but it appears that the purest blue (o--I on Forel's scale) is found in the Sargasso Sea, in the North Atlantic and in similarly situated tropical or subtropical regions in the Indian and Pacific Oceans.
Evaporation is naturally greatest in the enclosed seas of the nearly rainless subtropical zone such as the Mediterranean and Red Sea.
The climate of the higher valleys is subtropical, the mean annual temperature ranging from 74° to 80° F.
The Cenomanian flora of central Europe appears to be a subtropical one, with marked approaches to the living flora of Australia.
Its flat-roofed Moorish houses are enclosed by gardens of cactus, dwarf palm, orange and other subtropical plants, interspersed with masses of rock.
The forests of these subtropical and warm temperate regions are situated near the sea or in mountainous regions, and (as already stated) are characterized by winter rains.
This first or cold stage of the paroxysm varies much in length; in temperate climates it lasts from one to two hours, while in tropical and subtropical countries it may be shortened.
Remittent is a not unusual form of the malarial process in tropical and subtropical countries, and in some localities or in some seasons it is more common than intermittent.
The recent discovery of a bloodsucking maggot, which is found in native huts throughout the greater part of tropical and subtropical Africa, and attacks the inmates when asleep, is of great interest.
Neottiineae, including 90 genera, also terrestrial, contains thirteen more or less widely distributed tropical or subtropical subtribes, some of which extend into temperate zones; one, Cephalanthereae, which includes our British genera Cephalanthera and Epipactis is chiefly north temperate.
Attempts have been made to introduce this into the infested area in Texas; but owing to the winter proving fatal to the " kelep " its usefulness may be restricted to tropical and subtropical regions.
There is a wide variation of climate for so small a territory, the higher elevations of the Sierra de Ajusco being cold and humid (the Mexican Central crosses the range at an elevation of 9974 ft.); the lower spurs mild, temperate and healthy, the lower valleys subtropical, hot and unhealthy.
In the tropical and subtropical belts of the Atlantic and Indian Oceans south of the equator the salinity diminishes rapidly from the surface downwards, and at 500 fathoms reaches a minimum of 34.3 or 34.4 p e r mille; after that it increases again to 800 fathoms, where it is almost 34.7 or 34.8, and this salinity holds good to the bottom, even to the greatest depths, as was first shown by the " Gauss " and afterwards by the " Planet " between Durban and Ceylon.
When more fully developed, and long before their full growth is attained, they are among the most decorative plants known for the conservatory and for subtropical gardening.
Species occur in all seas of the temperate, tropical and subtropical zones.
Gardner considers the plants to point to subtropical conditions.
Evergreens predominate in the south, where grow subtropical plants such as the myrtle, arbutus, laurel, holm-oak, olive and fig; varieties of the same kind are also found on the Atlantic coast (as far north as the Cotentin), where the humidity and mildness of the climate favor their growth.
The higher mountains rise abruptly from the plains; on their slopes, clothed below almost exclusively with the more tropical forms, a vegetation of a warm temperate character, chiefly evergreen, soon begins to prevail, comprising Magnoliaceae, Ternstroemiaceae, subtropical Rosaceae, rhododendron, oak, Ilex, Symplocos, Lauraceae, Pinus longifolia, with mountain forms of truly tropical orders, palms, Pandanus, Musa, Vitis, Vernonia, and many others.
The flora found in Mull points distinctly to temperate conditions; but it is not yet clear whether this indicates a different period from the subtropical flora of the south of England, or whether the difference depends on latitude or local conditions.
Among the characteristics of this Miocene flora are the large number of families represented, the marked increase in the deciduous-leaved plants, the gradual decrease in the number of palms and of tropical plants, and the replacement of these latter by Mediterranean or North American forms. According to Heer, the tropical forms in the Swiss Miocene agree rather with Asiatic types, while the subtropical and temperate plants are allied to forms now living in the temperate zone in North America.
The absence of vegetation on its shores, due to the scanty rainfall and general want of fresh water - except in the neighbourhood of springs like `Ain Feshkhah and `Ain Jidi, where a luxuriant subtropical vegetation is found - accounts for the story that no plant could live in the poisonous air which broods over the sea.
In the southern provinces flourish also various subtropical exotics, such as the banana, the West Indian cherimoya, and the prickly pear or Indian fig (Opuntia vulgaris), the last frequently grown as a hedge-plant, as in other Mediterranean countries, and extending even to the southern part of the table-land.
The order is a widely distributed one; the marine forms are tropical or subtropical, but the fresh-water genera occur also in the temperate zones.
There are the subtropical districts of the valleys and slopes between 1500 and 7500 ft.
The temperate and subtropical regions cover the greater part of the departments traversed by the Eastern Cordillera, the northern end of the Central Cordillera, the Santa Marta plateaus, and the Upper Cauca Valley.
Parrots and paroquets are numerous everywhere in the tropical and subtropical regions, as also the gorgeously coloured macaw and awkward toucan.
Elionurus, a widespread savanna grass in tropical and subtropical America, and also in the tropics of the old world, is rejected by cattle probably on account of its aromatic character, the spikelets having a strong balsam-like smell.
Paniceae (about 25 genera, tropical to subtropical; a few temperate), a second flower, generally male, rarely hermaphrodite, is often present below the fertile flower.
Tripsacum, 2 or 3 species in subtropical America north of the equator; Tr.