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african violet native habitat

Saintpaulias are widely cultivated as house plants. In Colorado False African violets can be used as a potted plant or in a hanging basket. If you’re anything like me, you’ve killed at least one poor African violet in your lifetime due to neglect. Unfortunately, the native cloud-forest habitat of Saintpaulia is under threat from encroaching agriculture. HORT. Native African Violets grow in the high cloud forest of Udzungwa National Park, Tanzania. Burkhardt, Lotte. Flower colour in the wild species can be violet, purple, pale blue, or white. Let us know if you have suggestions to improve this article (requires login). [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. To date, there are 21 species, six variants, and two natural hybrids of African violets have been identified in the wild. Wild species can have violet, purple, pale blue, or white flowers.[2]. The section was initially regarded as a separate genus. African Violet is native to Eastern Africa. Streptocarpus sect. Burtt had expanded the genus to approximately 20 species. 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. 1994. Several species are endangered. Omissions? Two sites should be classed as high-priority for conservation–the Ulugura and Nguru Mountains, based upon DNA analyses of the genus Saintpaulia . 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. They grow into cascading vines in their native habitat and are known for their soft fuzzy foliage. Updates? CRC handbook of flowering. The scientific name of African violets -- Saintpaulia -- reflects this German colonial past. The False African violet is a member of the true African violet family and is native to East Africa. 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. [4], Revisions of the genus by B.L. Erweiterte Edition. Essentially, it thrives in typical rainforest conditions – hot and moist, yet well-drained and deeply shaded. They are commonly used as indoor houseplants, but can also be kept as outdoor plants in certain climates. African Violets - Saintpaulia General Information. SCI. The genus Saintpaulia, and original species S. ionantha, were scientifically described by H. Wendland in 1893. Plants grow in different regions and habitats. There are many types of African Violet. 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. 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. 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. Modeling Inflorescence Development of the African Violet (Saintpaulia ionantha Wendl.). Revisions of the genus by B.L. In their native habitat, in the Usambara Mountains of East Africa, the relative humidity is generally about 70 to 80 percent. 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.. 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. For this reason they have been a traditional gift to mothers in many cultures around the world. African Violets are native to eastern tropical Africa. Noté /5. © Steve | CC BY-NC-SA 2.0 James E. Faust and Royal D. Heins, J. AMER. 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. 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. [13] 3. Some Viola species are perennial plants, some are annual plants, and a few are small shrubs. 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. The section was previously treated as a separate genus, Saintpaulia, but molecular phylogenetic studies showed that it was nested within the genus Streptocarpus. Verzeichnis eponymischer Pflanzennamen. The genus was named for Saint Paul-Illaire and his father. vol. There is a concentration of species in the Nguru mountains of Tanzania. [5] In 2009, 9 species, 8 subspecies, and 2 varieties were recognized. African violets that you buy are almost certainly hybrids, generally of one main species (Saintpaulia ionantha). African violet, (genus Saintpaulia), any of the six species of flowering plants in the genus Saintpaulia (family Gesneriaceae). African violets are also associated with Easter and Valentine's Day. Most of the African violet sites are located in Tanzania. Plants can be classified as one of several sizes based on its above-ground diameter. Plants can be divided into smaller daughter plants or even grown from leaf cuttings. As with relatively warm temperatures, humidity is vital to the health of African Violets. The District Commissioner of Tanga, Baron W. Saint Paul Illaire, sent specimens onto Germany where they were formally described in his honor as Saintpaulia. They produce delicate blue-violet and white flowers under optimal conditions. Each species has its own specific habitat unique to East Africa. [7], All the species previously placed in the genus Saintpaulia are now placed in Streptocarpus section Saintpaulia. There are seven main cultural factors you should be aware of to ensure their success. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. The conservation status of Streptocarpus ionanthus has been classed as near-threatened. 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. Smithsonian World Checklist of the Gesneriaceae. 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. African violet, (genus Saintpaulia), any of the six species of flowering plants in the genus Saintpaulia (family Gesneriaceae). If the level of humidity is much less than this, an African Violet's … The native habitat of an African Violet is the mountains of East Africa. Retrouvez African Violets: In Search of the Wild Violets et des millions de livres en stock sur Amazon.fr. [7][9], Formerly recognized Saintpaulia species and infraspecies are listed below with their accepted name in Streptocarpus.[9]. Such violets are endemic to the Usambara Mountains, which are part of the Eastern Arc Mountain Range, a nonglaciated area with consistent climate. Spilling cold water on African violet leaves causes discoloration. 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. The common types of this plant are: Not Available. The number of varieties of this plant is found to be 40000. Another solution is to grow some African violet relatives, such as Streptocarpus or Chirita. Growing African violets from seed is rare and most commercially available plants are produced from cuttings and tissue culture. Hundreds of horticultural varieties have been developed for their various flower colours and shapes, including half-sized miniatures. 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. This is thought to be because rapid leaf cooling causes cell vacuole collapse in the palisade mesophyll cells. In: A. Halevy (ed.). The violet-like flowers are bilaterally symmetric with five petals and can be violet, white, or pink in colour. And one of the most common complaints about them is they never bloom once you get them home from the nursery. Many gardeners have them as outdoor plants but they’re typically kept indoors. These wild species vary in all aspects of growth habit and form, and flowers range in color from nearly white to dark purple. They are found growing in moist, mossy rock crevices where there is always high humidity, moderate temperatures between 65-80 degrees, and 12 hours of bright diffuse daylight year-round. 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. S. kewensis). The African Violet Society of America is the International Cultivar Registration Authority for the section and its cultivars. Ten species were recognized, as of March 2020[update]. 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. 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. 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. The members of … 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. Ring in the new year with a Britannica Membership. It's a lot more humid there than it is in the average home! Species and cultivars are commonly called African violets (although they are not closely related to true violets) or saintpaulias. 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. It was given its common name because of its resemblance to a traditional violet. 2018. The native habitat of African Violets is the equatorial cloud forests of Tanzania and Kenya. [8] Former Saintpaulia species did form a monophyletic group, and were placed in section Saintpaulia of Streptocarpus subgenus Streptocarpella. [10][11], Saintpaulias are highly sensitive to temperature changes, especially rapid leaf cooling. SOC. As the name implies, African violets are native to the cloud forests in the mountains of east Africa. Native to higher elevations in tropical eastern Africa, African violets are widely grown horticulturally, especially S. ionantha. The tiny seeds are produced in a capsule. 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. A wider range of species is now being looked at as sources of genes to introduce into modern cultivars. The plants get their common name "African violet" from their superficial resemblance to true violets (Viola, family Violaceae). The members of Saintpaulia are small perennial herbs with thick, hairy, ovate leaves. Saintpaulias, which grow from 6–15 cm tall, can be anywhere from 6–30 cm wide. Our editors will review what you’ve submitted and determine whether to revise the article. 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 … African violets are not violets (family Violaceae, genus Viola) but are included in the family Gesneriaceae, genus Saintpaulia. Corrections? [14], The African violet is a day-neutral plant regarding flower development. 119(4):727–734. [15][16], African violets have long been associated with mothers and motherhood. 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