African Violets - Saintpaulia General Information. The native habitat of African Violets is the equatorial cloud forests of Tanzania and Kenya. With literally thousands of named varieties to choose from and new hybrid varieties being introduced each year, the connoisseur of African violets can have "billions of blossoms" year round. Viola is a genus of flowering plants in the violet family Violaceae.It is the largest genus in the family, containing between 525 and 600 species. The flowers are 2–3 cm in diameter, with a five-lobed velvety corolla ("petals"), and grow in clusters of 3–10 or more on slender stalks called peduncles. Such violets are endemic to the Usambara Mountains, which are part of the Eastern Arc Mountain Range, a nonglaciated area with consistent climate. African violet, (genus Saintpaulia), any of the six species of flowering plants in the genus Saintpaulia (family Gesneriaceae). The genus Saintpaulia, and original species S. ionantha, were scientifically described by H. Wendland in 1893. The section was initially regarded as a separate genus. The District Commissioner of Tanga, Baron W. Saint Paul Illaire, sent specimens onto Germany where they were formally described in his honor as Saintpaulia. Omissions? 3. Spilling cold water on African violet leaves causes discoloration. Most species are found in the temperate Northern Hemisphere; however, some are also found in widely divergent areas such as Hawaii, Australasia, and the Andes.. African violets are also associated with Easter and Valentine's Day. The scientific name of African violets -- Saintpaulia -- reflects this German colonial past. As the name implies, African violets are native to the cloud forests in the mountains of east Africa. There are seven main cultural factors you should be aware of to ensure their success. Enthusiasts growers have actually seen them growing there, in the wild, either in the south, in Uzungwa Mountains National Park or up north, in Amani natural reserve in Usambara Mountains . SCI. These wild species vary in all aspects of growth habit and form, and flowers range in color from nearly white to dark purple. [8] Former Saintpaulia species did form a monophyletic group, and were placed in section Saintpaulia of Streptocarpus subgenus Streptocarpella. Streptocarpus sect. African violets are not violets (family Violaceae, genus Viola) but are included in the family Gesneriaceae, genus Saintpaulia. [6], A molecular phylogenetic study in 2015 confirmed previous studies showing that species placed in Saintpaulia were deeply embedded within the genus Streptocarpus,[7] supporting the transfer of all Saintpaulia species to Streptocarpus in 2012. Native African Violets grow in the high cloud forest of Udzungwa National Park, Tanzania. Plants grow in different regions and habitats. Each species has its own specific habitat unique to East Africa. 2018. S. kewensis). SOC. Another solution is to grow some African violet relatives, such as Streptocarpus or Chirita. James E. Faust and Royal D. Heins, J. AMER. In: A. Halevy (ed.). As with relatively warm temperatures, humidity is vital to the health of African Violets. The African Violet Society of America is the International Cultivar Registration Authority for the section and its cultivars. [15][16], African violets have long been associated with mothers and motherhood. The genus Saintpaulia is named in honour of Walter, Freiherr (baron) von Saint Paul-Illaire, a German colonial official who is credited with their discovery in German East Africa (now Tanzania) in 1892. This biodiversity hotspot is renowned for its high number of endemic species. Plants can be divided into smaller daughter plants or even grown from leaf cuttings. Burkhardt, Lotte. African violets that you buy are almost certainly hybrids, generally of one main species (Saintpaulia ionantha). The number of varieties of this plant is found to be 40000. 1994. Several of the species and subspecies are endangered, and many more are threatened, due to clearance of their native cloud forest habitat for agriculture. The tiny seeds are produced in a capsule. Many gardeners have them as outdoor plants but they’re typically kept indoors. Several species are endangered. CRC Press, Boca Raton, Fla. International Cultivar Registration Authority, "The Great Merger – Current Taxonomic Status | Gesneriad Reference Web", "On African violets and Cape primroses—towards a monophyletic, "Sudden Collapse of Vacuoles in Saintpaulia sp. Species and cultivars are commonly called African violets (although they are not closely related to true violets) or saintpaulias. [12], African violets are commonly propagated asexually. Saintpaulias are native to eastern tropical Africa. Revisions of the genus by B.L. 119(4):727–734. The False African violet is a member of the true African violet family and is native to East Africa. To increase the humidity around your plants, you can group them together (but not so close that their leaves are touching. Burtt had expanded the genus to approximately 20 species. African violet, (genus Saintpaulia), any of the six species of flowering plants in the genus Saintpaulia (family Gesneriaceae). Saintpaulia ionantha, Stromme E, 1985, p. 48–49. African violets, which are generally shade-loving plants that thrive in moist wet areas, were first introduced to science in 1891 via some enthusiastic German nuns. They grow into cascading vines in their native habitat and are known for their soft fuzzy foliage. If you are wondering what is African Violet or want to know all About African Violet, then you are just at the right place. To date, there are 21 species, six variants, and two natural hybrids of African violets have been identified in the wild. Because its natural habitat is rapidly disappearing due to clearing of land for agriculture, the conservation status of most species is listed as near-threatened. African violets are still growing in the wild African cloud woods, although some of the species are endangered because their natural habitats are being cleared for agricultural use. African Violets are native to eastern tropical Africa. Growing African violets from seed is rare and most commercially available plants are produced from cuttings and tissue culture. Also known as Saintpaulias, African Violets are beautiful perennial flowering plants that are native to Tanzania and the southeastern part of Kenya in eastern tropical Africa. The little African violet, one of America's favorite flowering houseplants, is in big trouble in its native habitat. [3] Two British plant enthusiasts, Sir John Kirk and the Reverend W.E. Our editors will review what you’ve submitted and determine whether to revise the article. The genus was named for Saint Paul-Illaire and his father. Verzeichnis eponymischer Pflanzennamen. Saintpaulia is a section within Streptocarpus subgenus Streptocarpella[1] consisting of about ten species of herbaceous perennial flowering plants in the family Gesneriaceae, native to Tanzania and adjacent southeastern Kenya in eastern tropical Africa. And one of the most common complaints about them is they never bloom once you get them home from the nursery. [7][9], Formerly recognized Saintpaulia species and infraspecies are listed below with their accepted name in Streptocarpus.[9]. Their habitat resides in the understory of the tropical forests, where they are now being threatened due to the clear cutting of the land for agricultural uses. There are seven main cultural factors you should be aware of to ensure their success. Habitat African violets are native to Tanzania and Kenya, favouring a tropical climate. [14], The African violet is a day-neutral plant regarding flower development. The section was previously treated as a separate genus, Saintpaulia, but molecular phylogenetic studies showed that it was nested within the genus Streptocarpus. Essentially, it thrives in typical rainforest conditions – hot and moist, yet well-drained and deeply shaded. Achetez neuf ou d'occasion The conservation status of Streptocarpus ionanthus has been classed as near-threatened. Burtt expanded the genus to approximately 20 species. Several of the species and subspecies of the section are endangered, and many more are threatened, as their native cloud forest habitats are cleared for agriculture. There is a concentration of species in the Nguru mountains of Tanzania. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Noté /5. Wild species can have violet, purple, pale blue, or white flowers.[2]. The members of Saintpaulia are small perennial herbs with thick, hairy, ovate leaves. Plants can be classified as one of several sizes based on its above-ground diameter. Streptocarpus sect. There are many types of African Violet. Modeling Inflorescence Development of the African Violet (Saintpaulia ionantha Wendl.). Native to higher elevations in tropical eastern Africa, African violets are widely grown horticulturally, especially S. ionantha. Hundreds of horticultural varieties have been developed for their various flower colours and shapes, including half-sized miniatures. The native habitat of an African Violet is the mountains of East Africa. [13] Two sites should be classed as high-priority for conservation–the Ulugura and Nguru Mountains, based upon DNA analyses of the genus Saintpaulia . © Steve | CC BY-NC-SA 2.0 Flower colour in the wild species can be violet, purple, pale blue, or white. This article was most recently revised and updated by, https://www.britannica.com/plant/African-violet. [7], All the species previously placed in the genus Saintpaulia are now placed in Streptocarpus section Saintpaulia. Saintpaulia is a section within Streptocarpus subgenus Streptocarpella consisting of about ten species of herbaceous perennial flowering plants in the family Gesneriaceae, native to Tanzania and adjacent southeastern Kenya in eastern tropical Africa. The leaves are rounded to oval, 2.5–8.5 cm long with a 2–10 cm petiole, finely hairy, and have a fleshy texture. Their native habitats are fog forests, which can be referred to as mossy or cloud forests, and they are characterized by frequent low-level cloud cover at … Until recently, only a few of these species have been used in breeding programs for the hybrids available in the market; most available as house plants are cultivars derived from Streptocarpus ionanthus (syn. Ten species were recognized, as of March 2020[update]. National Geographic author Andrew Evans has written an eye-opening look at the delicate state of African violets in their native habitat, where unscrupulous gatherers are plucking rare species from the jungle to sell to collectors. Saintpaulias, which grow from 6–15 cm tall, can be anywhere from 6–30 cm wide. The violet-like flowers are bilaterally symmetric with five petals and can be violet, white, or pink in colour. If the level of humidity is much less than this, an African Violet's … African violets are one of the easiest and most adaptable flowering houseplants to grow, as they do well in the conditions found in most homes. Let us know if you have suggestions to improve this article (requires login). The section was previously treated as a separate genus, Saintpaulia, but molecular phylogenetic studies showed that it was nested within the genus Streptocarpus. By the early 1900s, they were introduced to the rest of the world for cultivation. Several of the species and subspecies of the section are endangered, and many more are threatened, due to their native cloud forest habitats being cleared for agriculture. African violets are easy to get your hands on, fun to grow, and bring a splash of color and cheer to your home. Retrouvez African Violets: In Search of the Wild Violets et des millions de livres en stock sur Amazon.fr. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. There is a concentration of species in the Nguru mountains of Tanzania. CRC handbook of flowering. Most of the African violet sites are located in Tanzania. If you’re anything like me, you’ve killed at least one poor African violet in your lifetime due to neglect. These dark green leaves have long petioles (leaf stems) and are arranged in a basal cluster at the base of the plant. Some Viola species are perennial plants, some are annual plants, and a few are small shrubs. The plants get their common name "African violet" from their superficial resemblance to true violets (Viola, family Violaceae). Saintpaulias are widely cultivated as house plants. A wider range of species is now being looked at as sources of genes to introduce into modern cultivars. African violets, formerly known by their botanical name Saintpaulia but now included within Streptocarpus , make attractive houseplants originating from tropical East Africa. It's a lot more humid there than it is in the average home! The members of … Although the size per category is not set in stone, these are a general guideline. This immensely popular flowering houseplant, the African Violet, is native to Tanzania and Kenya. African violets are one of the easiest and most adaptable flowering houseplants to grow, as they do well in the conditions found in most homes. For this reason they have been a traditional gift to mothers in many cultures around the world. vol. African violets do not grow naturally anywhere else in the world. Unfortunately, the native cloud-forest habitat of Saintpaulia is under threat from encroaching agriculture. While this level of humidity would be difficult to maintain in most homes, you should try to provide your African Violets with at least 50 to 60 percent humidity. African Violet is native to Eastern Africa. They are available in a many colours from white, through pink and red to purple and various flower types. Updates? In 1892, British colonists discovered African violets (Saintpaulia ionantha) growing on moist, mossy rocks in their native Tanzanian habitat. In Colorado False African violets can be used as a potted plant or in a hanging basket. Following studies which showed most of the species to be very poorly differentiated, both genetically and morphologically, the number of species was reduced to six in a 2006 treatment, with the majority of former species reduced to subspecies under S. ionantha. Smithsonian World Checklist of the Gesneriaceae. One solution would be growing some of the Saintpaulia (African violet) species, many of which will actually prefer your cool windowsill–it will remind them of their native habitat high in the mountains of East Africa. African violets are native to Tanzania, where they were discovered in the late 1800s. HORT. African violets that you buy are almost certainly hybrids, generally of one main species (Saintpaulia ionantha). Viola sempervirens: Evergreen Violets Another woodland violet for moist conditions, V. sempervirens can be found in mossy, mostly-shady areas from low to mid-elevations, so it is happiest in similarly moist, shady to partly sunny spots in the garden. Palisade Cells Induced by a Rapid Temperature Decrease", "Cultural Guidelines for Commercial Production of African Violets (Saintpaulia ionantha)", African Violet Society of America website, African Violet in Romania - Pasionata de violete africane, Gesneriad Reference Web Saintpaulia article, Baby Violets - African Violet Houseplants, https://en.wikipedia.org/w/index.php?title=Streptocarpus_sect._Saintpaulia&oldid=987829878, Short description is different from Wikidata, Articles containing potentially dated statements from March 2020, All articles containing potentially dated statements, Creative Commons Attribution-ShareAlike License, This page was last edited on 9 November 2020, at 14:04. Traductions en contexte de "african violet" en anglais-français avec Reverso Context : It is best to feed an African violet more frequently and at reduced strength. [14], section of a genus of flowering plants in the family Gesneriaceae, MacDonald, Elvin "The World Book of House Plants" Popular Books. In their native habitat, in the Usambara Mountains of East Africa, the relative humidity is generally about 70 to 80 percent. [4], Revisions of the genus by B.L. Erweiterte Edition. Corrections? Native to higher elevations in tropical eastern Africa, African violets are widely grown horticulturally, especially S. ionantha. Of all the house plants on the market today, the African Violet is #1. This is thought to be because rapid leaf cooling causes cell vacuole collapse in the palisade mesophyll cells. Growing multiple African violets in a large container mimics their native habitat – a rainforest floor of porous, loose, fertile soil. It is more compact and diminutive than V. glabella, but with similar yellow flowers. [5] In 2009, 9 species, 8 subspecies, and 2 varieties were recognized. The common types of this plant are: Not Available. Easily propagated from leaf cuttings, African violets are common indoor houseplants that can thrive in low light conditions and bloom throughout the year. Many of the native plants are threatened or endangered due to habitat loss. Taylor, had earlier collected and submitted specimens to the Royal Botanic Gardens, Kew, in 1884 and 1887 respectively, but the quality of specimens was insufficient to permit scientific description at that time. It was given its common name because of its resemblance to a traditional violet. Baron Walter von Saint Paul-Illaire (1860–1940) was the district commissioner of Tanga province when he discovered the plant in Tanganyika (now Tanzania) in Africa in 1892 and sent seeds back to his father, an amateur botanist in Germany. They are commonly used as indoor houseplants, but can also be kept as outdoor plants in certain climates. 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