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Watsonia marginata is a species of flowering plant in the iris family known by the common name fragrant bugle-lily. It is native to the Cape Provinces of South Africa, but it is well known as an ornamental plant grown in gardens for its showy spikes of flowers. Its native range is an area with winter rainfall and dry summers. cm long by 5 wide. They are blue-green with thickened yellow margins. The inflorescence is a dense spike of 30 to 50 flowers which may be any shade of pink or sometimes dark red or white. The flower is actinomorphic, or radially symmetrical, unlike those of other Watsonia, which are zygomorphic. The flowers are several cm long.It is a perennial herb growing from a corm and growing to a maximum height well over one metre when in flower, sometimes reaching two metres. Each corm produces three or four erect leaves that measure up to 80
Iridaceae is a family of plants in order Asparagales, taking its name from the irises, meaning rainbow, referring to its many colours. There are 66 accepted genera with a total of c. 2244 species worldwide. It includes a number of other well known cultivated plants, such as freesias, gladioli and crocuses.
The Cape Provinces of South Africa is a biogeographical area used in the World Geographical Scheme for Recording Plant Distributions (WGSRPD). It is part of the WGSRPD region 37 Southern Africa. The area has the code "CPP". It includes the South African provinces of the Eastern Cape, the Northern Cape and the Western Cape, together making up most of the former Cape Province.
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by 2,798 kilometres (1,739 mi) of coastline of Southern Africa stretching along the South Atlantic and Indian Oceans; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; and to the east and northeast by Mozambique and Eswatini (Swaziland); and it surrounds the enclaved country of Lesotho. South Africa is the largest country in Southern Africa and the 25th-largest country in the world by land area and, with over 57 million people, is the world's 24th-most populous nation. It is the southernmost country on the mainland of the Old World or the Eastern Hemisphere. About 80 percent of South Africans are of Sub-Saharan African ancestry, divided among a variety of ethnic groups speaking different African languages, nine of which have official status. The remaining population consists of Africa's largest communities of European (White), Asian (Indian), and multiracial (Coloured) ancestry.
Like some other Watsonia, this species can escape cultivation and take hold in the wild as a weedy introduced species in appropriate climates. It can be found in Western Australia and California.
An introduced species is a species living outside its native distributional range, but which has arrived there by human activity, either deliberate or accidental. Non-native species can have various effects on the local ecosystem. Introduced species that become established and spread beyond the place of introduction are called invasive species. The impact of introduced species is highly variable. Some have a negative effect on a local ecosystem, while other introduced species may have no negative effect or only minor impact. Some species have been introduced intentionally to combat pests. They are called biocontrols and may be regarded as beneficial as an alternative to pesticides in agriculture for example. In some instances the potential for being beneficial or detrimental in the long run remains unknown.
Western Australia is a state occupying the entire western third of Australia. It is bounded by the Indian Ocean to the north and west, and the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Australia is Australia's largest state, with a total land area of 2,529,875 square kilometres, and the second-largest country subdivision in the world, surpassed only by Russia's Sakha Republic. The state has about 2.6 million inhabitants – around 11 percent of the national total – of whom the vast majority live in the south-west corner, 79 per cent of the population living in the Perth area, leaving the remainder of the state sparsely populated.
California is a state in the Pacific Region of the United States. With 39.6 million residents, California is the most populous U.S. state and the third-largest by area. The state capital is Sacramento. The Greater Los Angeles Area and the San Francisco Bay Area are the nation's second- and fifth-most populous urban regions, with 18.7 million and 9.7 million residents respectively. Los Angeles is California's most populous city, and the country's second-most populous, after New York City. California also has the nation's most populous county, Los Angeles County, and its largest county by area, San Bernardino County. The City and County of San Francisco is both the country's second-most densely populated major city after New York City and the fifth-most densely populated county, behind only four of the five New York City boroughs.
A corm, bulbo-tuber, or bulbotuber is a short, vertical, swollen underground plant stem that serves as a storage organ that some plants use to survive winter or other adverse conditions such as summer drought and heat (perennation).
Anthriscus sylvestris, known as cow parsley, wild chervil, wild beaked parsley, or keck is a herbaceous biennial or short-lived perennial plant in the family Apiaceae (Umbelliferae), genus Anthriscus. It is also sometimes called mother-die, a name that is also applied to the common hawthorn. It is native to Europe, western Asia and northwestern Africa; in the south of its range in the Mediterranean region, it is limited to higher altitudes. It is related to other diverse members of Apiaceae, such as parsley, carrot, hemlock and hogweed. It is often confused with Daucus carota which is known as Queen Anne's lace or wild carrot, also a member of the Apiaceae.
Canna indica, commonly known as Indian shot, African arrowroot, edible canna, purple arrowroot, Sierra Leone arrowroot, is a plant species in the family Cannaceae. It is native to much of South America, Central America, the West Indies, Mexico, and the southeastern United States. It is also naturalized in much of Europe, sub-Saharan Africa, Southeast Asia, and Oceania. Canna indica has been a minor food crop cultivated by indigenous peoples of the Americas for thousands of years.
Ranunculus bulbosus, commonly known as St. Anthony's turnip or bulbous buttercup, is a perennial member of the buttercup family. It has attractive yellow flowers, and deeply divided, three-lobed long-petioled basal leaves. Bulbous buttercup is known to form tufts.
Lavandula angustifolia, formerly L. officinalis, is a flowering plant in the family Lamiaceae, native to the Mediterranean.
Watsonia is a genus of plants in the iris family, subfamily Crocoideae. Watsonias are native to southern Africa. The genus is named after Sir William Watson, an 18th-century British botanist.
Parkinsonia microphylla, the yellow paloverde, foothill paloverde or little-leaved palo verde; syn. Cercidium microphyllum), is a species of palo verde.
Nuphar lutea, the yellow water-lily, or brandy-bottle, is an aquatic plant of the family Nymphaeaceae, native to temperate regions of Europe, northwest Africa, and western Asia.
Ambrosia trifida, the giant ragweed, is a species of flowering plant in the sunflower family. It is native to North America, where it is widespread in Canada, the United States, and northern Mexico. It is present in Europe and Asia as an introduced species, and it is known as a common weed in many regions. Its common names include great ragweed, Texan great ragweed, giant ragweed, tall ragweed, blood ragweed, perennial ragweed, horseweed, buffaloweed, and kinghead.
Lathyrus sylvestris, the flat pea or narrow-leaved everlasting-pea, is a plant species of the genus Lathyrus. It is native to parts of Africa, Europe, and Asia.
Gladiolus tristis is a species of gladiolus known by several common names, including ever-flowering gladiolus and marsh Afrikaner. It is native to southern Africa, especially South Africa. It is known in parts of Australia and coastal California as an introduced species. It is sometimes grown as a garden plant. This gladiolus typically grows one half to one metre in height, but has been known to approach 1.5 metres tall. It grows from a corm one or two centimetres wide. It produces three narrow, sheathing leaves. The inflorescence is a spike of two to eight large, fragrant blooms. Each flower has six white or cream tepals with greenish or purplish midlines. The flowers are said to have a scent similar to carnations and cloves. Not all individuals possess scent because the allele for its presence is recessive in relation to the allele for its absence.
Ixia maculata is a species of flowering plant in the iris family known by the common name spotted African corn lily. It is native to the Cape Provinces of South Africa, but it is grown widely as an ornamental plant. It can also be found growing wild as an introduced species in several areas, including Western Australia. This perennial flower grows 20 to 70 centimeters tall with an erect, unbranched stem. There are a few twisting basal leaves up to 35 centimeters long. The inflorescence is a dense, showy spike of up to 12 flowers, usually orange to yellow in color, sometimes with areas of purple or red and often with spots; the coloration in garden plants varies due to breeding.
Tamarix chinensis is a species of tamarisk known by the common names five-stamen tamarisk and Chinese tamarisk or saltcedar. It is native to China and Korea, and it is known in many other parts of the world as an introduced species and sometimes an invasive noxious weed. It easily inhabits moist habitat with saline soils. It may grow as a tree with a single trunk or as a shrub with several spreading erect branches reaching 6 metres or more in maximum height. It has been known to reach 12 metres. It has reddish, brown, or black bark. The small, multibranched twigs are covered in small lance-shaped, scale-like leaves which are no more than about 3 mm long. The inflorescence is a dense raceme of flowers a few cm long. Each fragrant flower has five petals which are usually pink but range from white to red.
Watsonia meriana is a species of flowering plant in the iris family (Iridaceae) known by the common name bulbil bugle-lily. It is one of several Watsonia species known as wild watsonia. It is native to the Cape Provinces of South Africa, but it is well known as an ornamental plant grown in gardens for its showy spikes of flowers and an invasive species in areas where it has escaped cultivation. It is a perennial herb growing from a fibrous-coated corm and growing to a maximum height well over one meter when in flower, sometimes reaching two meters. Each corm produces three or four erect, lance-shaped leaves that measure up to 60 centimeters long by 6 wide. They have thickened midribs and margins. The inflorescence is an open spike of 8 to 25 flowers which may be any most any shade of orange to reddish or purplish. The flower is up to 8 centimeters long with a long, tubular throat and spreading tepals. The flowers sometimes yield capsule fruits which contain seed, but the plant often reproduces via bulbils that form in clusters in the axils of bracts at nodes along the peduncle. The bulbils can sprout if dropped into the soil, sometimes forming dense colonies, as can sections of corm that are chopped and dispersed by plowing or by non-intensive feeding by root-eating animals. The plant is accordingly ecologically valuable as feed to local mole-rats and to Cape porcupines
Leymus angustus is a species of grass known by the common name Altai wildrye. It is native to Asia and Europe and it is cultivated elsewhere as a pasture grass, especially in Canada.
Watsonia borbonica, the Cape bugle-lily, is a species of plant in the family Iridaceae that is native to South Africa.
Bassia hyssopifolia is a species of flowering plant in the amaranth family, Amaranthaceae, known by the common names five-horn smotherweed, five-hook bassia, and thorn orache. It is native to parts of Asia and Eastern Europe, and it is known on other continents as an introduced species, including North and South America and Australia. It is a weed, invasive at times.
Crassula nudicaulis is a succulent plant native to South Africa, and Lesotho.
Gladiolus watsonioides is a medium to high (½–1 m), herbaceous geophyte with sword-shaped leaves, flattened in the plain of the stem, and spikes of red funnel-shaped flowers, that is assigned to the iris family. In the wild, the species is restricted to the highlands of central Kenya and northern Tanzania, including on Kilimanjaro, Mount Kenya and the Aberdare Range. It is sometimes called Mackinder's gladiolus.
Germplasm Resources Information Network or GRIN is an online USDA National Genetic Resources Program software project to comprehensively manage the computer database for the holdings of all plant germplasm collected by the National Plant Germplasm System.
The Agricultural Research Service (ARS) is the principal in-house research agency of the United States Department of Agriculture (USDA). ARS is one of four agencies in USDA's Research, Education and Economics mission area. ARS is charged with extending the nation's scientific knowledge and solving agricultural problems through its four national program areas: nutrition, food safety and quality; animal production and protection; natural resources and sustainable agricultural systems; and crop production and protection. ARS research focuses on solving problems affecting Americans every day. The ARS Headquarters is located in the Jamie L. Whitten Building on Independence Avenue in Washington, D.C. and the headquarters staff is located at the George Washington Carver Center (GWCC) in Beltsville, Maryland. For 2018, its budget was $1.2 billion.
The United States Department of Agriculture (USDA), also known as the Agriculture Department, is the U.S. federal executive department responsible for developing and executing federal laws related to farming, forestry, and food. It aims to meet the needs of farmers and ranchers, promote agricultural trade and production, work to assure food safety, protect natural resources, foster rural communities and end hunger in the United States and internationally.
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