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disturbed areas Generated Map Legacy Map Introduced; La., Mich., Mo., native in tropical Asia. Amaranthus tricolor is widely cultivated as a garden plant for

The tribe Thysanolaeneae is native to tropical Asia and includes only the monotypic genus Thysanolaena. It could be included in a more broadly circumscribed

genus of five to eight species that are native to tropical Asia and Australia. One species is now established in the Flora region. Alloteropsis semialata

species that is native to tropical Asia and Australia, where it grows primarily in thickets and forest margins. It is not known to be established in the Flora

has been introduced into the Flora region. All the species are native to tropical Asia, where C. lacryma-jobi and, to a lesser extent, C. gigantea are

Islands (Hawaii), Fla. Chrysopogon aciculatus is native to tropical Asia, Australia, and Polynesia. In the contiguous United States, it is known only from

Map Introduced; naturalized in scattered locations, Fla., West Indies, Central America, South America, native to tropical Asia. None. None. window.prope

Fla. Saccharum officinarum is native to tropical Asia and the Pacific islands. It is cultivated for sugar production in various parts of the world, including

3.5 mm. Caryopses about 3.5 mm. 2n = 24. Hygroryza aristata is native to tropical Asia, where it has occasionally been used as forage for cattle (Bor 1960)

subquadripara, native to tropical Asia and Australasia, is established in Florida and, reportedly, Georgia, although no specimens documenting its presence in Georgia

Widespread in tropical and subtropical regions, less common in temperate areas. Genera ca. 40, species nearly 1100 (7 genera, 18 species in the flora)

Elevation: 0–50 m Generated Map Legacy Map Introduced; Fla., West Indies, native tropical Asia. None. None. window.propertiesFromHigherTaxa=[{"rank":"genus","name":"Kyllinga"

Central America, South America, Asia, Africa, Australia, warm-temperate and tropical areas. Species ca. 150 (19 in the flora). In the flora area, Sida linifolia

plants of relatively small stature, native to tropical or subtropical forests in South America, Africa, southeast Asia, some Pacific Islands, and northern

America, South America, s, se Asia, Africa, Pacific Islands (Hawaii, New Guinea, Philippines), Australia, nearly worldwide in tropical, subtropical, and Mediterranean

of three categories: native to North America, native to South America, or native to the Eastern Hemisphere. There are 27 species in the Flora region; fifteen

are tropical or subtropical in their distribution, but about 25 genera are found in temperate regions, mainly in eastern Asia. Two genera are native to

Seeds numerous (millions in some species), minute; endosperm absent. Worldwide except Antarctica, most diverse in tropical forests. Genera ca. 800, species

seasides, native to tropical and subtropical coastlines Elevation: 0-20 m Generated Map Legacy Map Introduced; Fla., native, Southeast Asia, native, s Pacific

is not known. This dioecious shrub or small tree, native to eastern Asia, has stellate hairs and in the key below would come under the first lead of couplet

occur naturally in both the Old and New Worlds. A hypothesis by F. G. Hawksworth and D. Wiens (1972) is that Arceuthobium evolved in Asia and, following

includes tropical and temperate regions of Asia, Australia, and the Americas, primarily Central and South America. Three species of Bambuseae are native to the

part of the native flora. Notes on Style. In the descriptions of taxa and in the keys, quantitative morphological data have been given in three ways, depending

New World and provide edible flesh and seeds rich in amino acids. Melons are native to Africa and Asia and are used primarily as dessert fruits. Species domesticated

introgression are suspected where two native species co-occur, and also possibly between non-native species or native with non-native (B. Ertter and D. Gowen 2019)

South America, s Europe, e, se Asia, warm-temperate and tropical areas. Species ca. 130 (5 in the flora). As reviewed in J. H. Langenheim (2003), many species

streaks. Seeds embedded in mucilage. x = 12. Temperate Northern Hemisphere, tropical Asia at higher elevations, sporadically introduced in Southern Hemisphere

elevations in the New World tropics, where the vast majority of its species are found. About a dozen species are native to the Old World in tropical Africa

naturalized in some tropical countries. This species is grown in North American gardens as a perennial in warmer climates and an annual in colder ones

eaten. Basella alba Linnaeus (Malabar spinach, native to Africa and Asia) is widely cultivated in tropical and subtropical areas, where it is used as a vegetable

particularly in mountainous regions, and reach their southern limit in the tropical mountains of the Philippines and India. Eastern Asia and North America

America, South America, Asia, Africa, Indian Ocean Islands, Pacific Islands, Australia, introduced in Europe, primarily tropical and subtropical regions

Widespread in temperate and tropical regions, North America, Europe, and Asia. Species 10 (3 in the flora). Morus nigra Linnaeus has been reported in floras

trifolia (Linnaeus) Rafinesque, native to southeast Asia and Australia, is an aggressive weed at Fairchild Tropical Garden in Miami, Florida. No other locations

America, South America, Europe, Asia, Africa, Australia, some species cultivated and introduced in temperate and tropical regions worldwide. Genera 130,

North America, and tropical zones. Cannas are found scattered in transitional habitats, both natural and artificial. In the wild, they grow along the edges

America, Asia, Africa, Indian Ocean Islands, Pacific Islands, Australia, most diverse in dry tropical and warm-temperate regions. Species ca. 1250 (31 in the

All native species (except P. heterophylla) and some natural hybrids are cultivated to some extent within their native ranges. In addition to native poplars

are also non-native; only the first two are considered invasive. Fruit dispersal in Conocarpus, Laguncularia, and Lumnitzera is by floating in water; the

America, e Asia, Pacific Islands (New Zealand), Australia (including Tasmania), mostly temperate or montane in tropical latitudes. Species ca. 115 (6 in the flora)

Introduced; Ariz., Calif., Fla., Asia (India), introduced widely elsewhere. Moringa oleifera is probably native to lowland dry tropical forests of northwestern

non-disarticulation in grain taxa, mimicry of rice as weeds of rice fields. There are 13 species in the Flora region: five native and one possibly native, four established

America, and has been widely introduced in tropical regions (weedy in Hawaii), but does not occur in the flora area. In regions where the two species naturally

been found in Alachua, Lake, Miami-Dade, and Monroe counties, primarily in the Florida Keys. It is native in tropical parts of Africa, Asia, and Australia

(Hawaii), S.C., Fla. Bambusa is a tropical and subtropical genus of 75-100+ species. It is native to southern and southeastern Asia, but is widely cultivated and

Mexico, Africa, n Australia, native, s Asia. The ginger of commerce, Zingiber officinale Roscoe, is native to southeast Asia; it is commonly cultivated throughout

North America, e Asia, se and tropical Africa including Madagascar, Pacific Islands, Australia. Petiole bases are swollen and toothed in sect. Lunathyrium

and tropical areas. Species ca. 20 (2 in the flora). The center of diversity of Cleome is in southwestern Asia. There are only two true Cleome in North

at apex. x = 7. Tropical and subtropical regions, North America, Central America, South America, Europe, Asia, Africa. species 12 (2 in the flora) Several

separating these genera—Hemerocallis in the Hemerocallidaceae, Leucocrinum in the Anthericaceae (J. G. Conran 1998), and Hosta in a monotypic Hostaceae (K. Kubitzki

1000 (25 in the flora). R. Good (1974) provided an excellent discussion of the phytogeography of Rhododendron, which occurs in arctic to tropical montane

(branches modified into small aerial tubers) in leaf axils. Leaves initiated in spiral pattern, modified in some species and appearing opposite or whorled

species in southeast Asia. The genus is poorly represented also in sub-Saharan Africa. The flora area is species rich, almost comparable to eastern Asia. Carex

Rottboellia is a genus of five species, all native to tropical Africa and Asia, represented in all tropical regions of the world by R. cochinchinensis,

tenuissimus is native to the Western Hemisphere, and introduced to Africa and Asia. Its native distribution in the Americas is tropical, extending from

Map Legacy Map Introduced; Ala., Asia (China, Japan, Taiwan). Glochidion puberum is sometimes cultivated in tropical and subtropical areas and occasionally

s Mexico, West Indies in the Antilles, Central America, South America to n Argentina, native to tropical and subtropical Asia, Africa. The name Dryopteris

present. x = 7. Southeastern Asia, 1 species cultivated and escaping in the tropics and subtropics worldwide. Species in the genus Colocasia have received

Ky., La., s Mexico, West Indies in the Antilles, South America to n Argentina, native to tropical and subtropical Asia, Africa. Thelypteris dentata probably

Indies, Central America, South America, introduced also in Asia (Arabian Peninsula, India), tropical Africa. Astraea lobata is a weedy annual widely distributed

Rechinger f., which is native in the eastern Mediterranean region (Asia Minor), the Caucasus, southeastern Europe, and western and central Asia. This subspecies

which are native to tropical and subtropical regions of the Eastern Hemisphere, primarily southeast Asia. One species has been established in the Flora

across the Pacific Ocean; it may not be native in North America. The first collection was made in California in 1933. Plants of C. schmidii resemble C.

12. Introduced; Md., Asia, Africa. Species 2 (1 in the flora). The native range of Ctenolepis cerasiformis extends from tropical Africa to India and Pakistan

Tenn., Tex., Utah, Vt., Va., W.Va., Wis., native to Europe, Asia, n Africa, introduced nearly worldwide, mostly in subtropics and warm-temperate regions.

triangular (in A. acanthochiton), or proximal bracts modified into spines (in A. spinosus); bracts of pistillate flowers not keeled (keeled in A. scleropoides

areas Elevation: 0 m Generated Map Legacy Map Introduced; Fla., tropical Asia, tropical Africa. Dioscorea bulbifera is the most widely distributed of all

, S.C., Tex., Central America, South America, native, Asia. Murdannia nudiflora is found in the tropical areas of the Western Hemisphere. None. None. window

spontaneum is a weedy species, native to tropical Africa and Asia, that is now established in Mesoamerica but not, so far as is known, in the Flora region. It is

escapes and becomes naturalized in southern Florida. It is now widely distributed and naturalized in many regions in tropical and subtropical America. Its

America, introduced also in Europe, Asia, Africa, Australia. Euphorbia hirta is a widespread weed that is distributed throughout tropical and subtropical regions

America, introduced in tropical Asia, Africa, Australia. Euphorbia hyssopifolia is native to the New World tropics and is probably also native to parts of the

Digitaria setigera is native to southeastern Asia. It is now established in tropical America, growing in disturbed habitats in Florida and Central America

urinaria probably is native only to Asia; it is now found in tropical and subtropical regions worldwide, where it is aggressively weedy in disturbed sites.

lowland tropical America, F. W. Pennell (1935) believed that it was adventive in the United States. Most United States floras consider it to be native in the

rugosum is native to southern Asia, and is now established in moist, tropical habitats around the world, including Mexico. It has been found in southern

Caryopses 1.5-1.8 mm. 2n = 20. Polytrias amaura is native to southeastern Asia. It used as a lawn grass in tropical and subtropical regions, including Florida

America and Asia (most only in eastern and southeastern Asia). Another 68 genera are found in eastern North America and Eurasia and also in western North

West Indies, introduced also in Central America, South America, Asia, Pacific Islands, Australia. Jatropha integerrima, native to the West Indies, is one

South America, introduced also in Asia, Africa, Pacific Islands, Australia. Jatropha gossypiifolia is native to tropical America and has been introduced

Indies, South America, introduced in Asia, tropical Africa, Australia. Euphorbia thymifolia is a widespread tropical and subtropical weed. It is not certain

and is widely naturalized in tropical and subtropical regions worldwide. It appears to have been introduced into Florida in the 1920s and is continuing

sinuata (Linnaeus) Hochreutiner] is known in Mexico, the West Indies, and elsewhere in tropical America and may occasionally appear as a waif within the flora

glaucum, a native of Asia, is cultivated in the United States for grain, forage, and birdseed. It is the most drought tolerant of the tropical cereal crops

direct effect in stimulating conservation in the United States (S. Fox 1981). The first state plant protection law was passed in Connecticut, in 1869, to protect

common in epiphytes growing in tropical rainforests (Hymenophyllaceae, Grammitidaceae) and in temperate genera that release their spores early in the spring

does the vegetation have a tropical aspect. The climate in this area corresponds to H.Walter's (1979) Zonobiome II, tropical with summer rains (A.M. Greller

floristic affinities between Asia and eastern North America. In: A. Graham, ed. 1972. Floristics and Paleofloristics of Asia and Eastern North America. Amsterdam