It is native to Mexico, but has escaped gardens and naturalized somewhat aggressively in parts of the southeastern U. S. from South Carolina to Texas plus Hawaii, Puerto Rico and the U. S. Virgin Islands. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. Ruellia sp. Once established in the wild, plants are very difficult to eradicate. Ruellia (roo-EL-ee-uh) Species: simplex (SIM-plecks) Cultivar: Mayan Purple: Additional cultivar information: (R10-102 PP 24,422) Hybridized : by Freyre, Moseley, Knox, and Wilson: Registered or … 5908] Native Range: Caribbean, Central and South America, Mexico. [1][2], Ruellia simplex C.Wright is the oldest and accepted name for this species, which has been variously called Ruellia angustifolia (Nees) Lindau, Ruellia brittoniana Leonard, and Cryphiacanthus angustifolius Nees, among several synonyms. Ruellia spectabilis. Beloved by many gardeners for its heat tolerance and shade-loving nature, but reviled by others for its eagerness to spread with abandon, R. simplex can be divisive. Results indicate that the production of interspecific hybrids is possible, but only in one direction (i.e., withR. Cut back stems after flowering to encourage new flowers. Ruellia simplex (Britton's wild petunia, Mexican petunia, Mexican bluebell) is a species of flowering plant in the acanthus family, Acanthaceae. nov. [Tripp et al. Ruellia are hardy and half hardy perennial sub shrubs that reach from 30 to 90 cm in height.. Tubular, trumpet-shaped, 5-lobed, petunia-like, lavender to violet flowers (to 1.75” long) bloom from the upper leaf axils in loose purple-stemmed clusters (long-stalked cymes). Ruellia simplex, commonly called Mexican petunia or Texas petunia, is a vigorous, shrubby, woody-based, rhizomatous perennial that is grown as an annual north of USDA Zone 8. For example, it is listed as a significant non-declared pest plant in Maroochy Shire, an undesirable plant in Caboolture Shire, and a weed of natural bushland and waterways in Gold Coast City. Flowers are followed by bean-like pods (to 1” long) which explosively dehisce mature seed in all directions. Mexican Petunia (Ruellia simplex) Biology and Management Adrienne M. Smith UF/IFAS Aquatic Weed Control Short Course May 6, 2015. Where is this species invasive in the US. For sheer flower power … 5967] Ruellia species [Tripp et al. So, in the 20 years that I've been here, Mexican-petunia has had three names: first Ruellia brittoniana, then Ruellia tweediana, and now Ruellia simplex. Map). Native to Mexico and western South America, Ruellia simplex, also known as R. tweediana, R. brittoniana, R. coerulea, and R. malacosperma, is cold hardy to USDA hardiness zones 8 to 11.Although there has been confusion over the plants’ proper name since a German botanist named them in 1879, most horticulturists now refer to them as R. tweediana. Seeds explosively dehisce. Posted by plantladylin (Sebastian, Florida - Zone 10a) on Jan 27, 2017 1:32 PM. Easy to propagate by cuttings, division and seed. Plants may spread invasively by self-seeding and rhizomes. Ruellia Simplex. Often confused with Ruellia tweediana, but its leaves are a bit shorter and wider. They are … Notwithstanding its value as an excellent flowering plant, this species is currently listed as a Category One invasive species by the Florida Exotic Pest Plant Council (FEPPC) because it has been found to invade natural areas and displace native flora in the State of Florida. It is been given a number of different names, including R. brittoniana, R. coerulea, R. malacosperma and R. tweediana. 5943] Ruellia species [Tripp et al. To explore this potential between the invasive plant species Ruellia simplex and the closely related, sympatric Ruellia caroliniensis, we conducted a study of re-productive crossability and hybrid viability. Mexican petunia (Ruellia simplex) has also become invasive in south-eastern USA, where it has spread rapidly and displaced native flora. 5953] Ruellia species [Tripp et al. It was introduced to Florida in the 1940s. Ruellia species [Tripp et al. Although Ruellia simplex has lovely blooms, due to its invasive tendencies it is not a good plant for Florida gardens. It is a native of Mexico, the Caribbean, and South America. When purchasing plants from a nursery, make sure you do not get the weedy non-native and invasive Britton’s Wild Petunia or Mexican Bluebell (Ruellia simplex C. Wright Synonym Ruellia brittoniana Leonard). Common Wild Petunia’s blue and lavender flowers compliment the yellows and whites of many summer flowering plants. Share. Plants also tolerate high heat and humidity. The purple flowers of the Ruellia contrast nicely with … Grown from rhizomes and seeds, the Mexican petunia prefers moist wetlands and can quickly colonize areas in moist, foggy climates such as Northern California. Machu™ Morado Ruellia or Mexican Petunia is an easy to grow heat and sunloving tropical well suited to container culture as well as in the garden and landscape. No serious insect or disease problems. Outline Background on Mexican Petunia Experiments to Inform Revegetation Future Research to Refine Management (Herbicide + … Excellent free-blooming plant in large containers. The wild form has purple flowers, and is native to Mexico, Western South America and the Antilles. Avoid using it in areas that receive shade for more than half the day or it will reduce the flowering and promote a sprawling growth habit. Ruellia simplex is native to Mexico, the West Indies, western Bolivia, southwestern Brazil, Paraguay, Uruguay, and northeastern Argentina. It has been found that C. Wright named this plant Ruellia simplex in 1870 and Ruellia simplex is the name that this plant appears under in Wunderlin's Atlas of Florida Vascular Plants. In the last 20 years, Mexican petunia (Ruellia simplex) has gone from being relatively uncom… Mexican petunia (Ruellia brittoniana) is a low-growing evergreen shrub with long leaves and blue … Ruellia sororia. Straight species plants are rarely sold, but several established cultivars are regularly sold (pink, purple or white flowers in tall and dwarf forms).Genus name honors Jean de la Ruelle (1474-1537), French herbalist and physician to Francois I (1494-1547) who was king of France from 1515 until his death in 1547.Specific epithet of simplex is in reference to the leaves being simple. ruellia malacosperma Shrubby perennial native to Mexico. Ruellia is a genus of flowering plants commonly known as ruellias or wild petunias. It typically grows to 3-4’ tall in the wild, but to 2-3’ tall in gardens. Ruellia tweediana, Ruellia brittoniana, Ruellia caerulea Conclusions by Zone. It can be significantly invasive in areas such as the Florida where it is has been declared to be a Category 1 invasive species. How to Grow Ruellia Plants Guide to Growing Wild petunia, Common Ruellia, and Fever root. The Alabama Plant Atlas is a source of data for the distribution of plants within the state as well as taxonomic, conservation, invasive, and wetland information for each species. 6776] Ruellia speciosa. It is a sprawling perennial herb with branches to 60cm. It grows well in sun and shade. Mexican-petunia (also known as Mexican bluebell or Britton’s petunia) is described as a “hardy perennial edging plant for flower beds and as colorful groundcovers.” Scientific names include Ruellia brittoniana, R. coerulea and R. tweediana, but taxonomists now use the name Ruellia simplex, which was the first name used to describe this species. It is mainly a plant of wet places such as ditches, pond verges, lakesides and marshes, but can survive in drier conditions. Flowering is very respectable but less frequent when plants are grown as annuals in northern gardens, but will typically bloom from May to September. It has square stems which grow from underground rhizomes. It typically grows to 3-4 tall in the wild, but to 2-3 tall in gardens. Britton's wild petunia, Mexican bluebell, Mexican petunia Synonyms. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. [4], Ruellia simplex is an evergreen perennial growing 3 ft (0.91 m) tall, forming colonies of stalks with lance-shaped leaves that are 6 to 12 in (15 to 30 cm) and .5 to .75 in (1.3 to 1.9 cm) wide. Ruellia flowers are 2-inch long funnel-shaped blooms growing on a perennial shrub. This plant thrives in moist, fertile, humusy but well-drained soils. Adaptable to soil types but prefers a sunny site in a fertile moist to average moist soil. It is a native of Mexico, the Caribbean, and South America. Creeping Ruellia (Ruellia squarrosa) Also known as Water Bluebell or Blue Shade, this plant is native to southern Mexico and occurs in natural watercourses, forest edges and disturbed zones. It is native to Mexico, but has escaped gardens and naturalized somewhat aggressively in parts of the southeastern U. S. from South Carolina to Texas plus Hawaii, Puerto Rico and the U. S. Virgin Islands. Plants are most invasive in moist areas. [5], Dwarf Mexican Petunia or Katie Pink or Katie Ruellia -- Ruellia simplex, https://en.wikipedia.org/w/index.php?title=Ruellia_simplex&oldid=987048548, Creative Commons Attribution-ShareAlike License, This page was last edited on 4 November 2020, at 15:53. It grows in the ground in our garden in a harsh location -- a narrow bed between a concrete walk and a brick patio, in full sun in summer and partial shade in winter. There main blooming period is from Spring to summer, but many Ruellia will also … At this time, R. simplex is the preferred name because it has been determined that this was the name first given to this plant in 1870 when it was described in Cuba, and accordingly that name has priority. It tolerates a wide variety of soil types including heavy clay, acidic, sandy, loamy, and occasionally wet soils. Ruellia simplex, commonly called Mexican petunia or Texas petunia, is a vigorous, shrubby, woody-based, rhizomatous perennial that is grown as an annual north of USDA Zone 8. Other Names: Ruellia simplex, Ruellia tweediana, Wild Petunia, Description: This variety is quite adaptable, tolerating average to wet conditions in any kind of soil; abundant purple flowers all season long; cut back stems to encourage re-blooming; does not set seed but will spread by rhizomes; beautiful when massed in borders 5944] Ruellia species [Tripp et al. It thrives as a marginal water plant and in boggy soils. Ruellia simplex, commonly called Mexican petunia or Texas petunia, is a vigorous, shrubby, woody-based, rhizomatous perennial that is grown as an annual north of USDA Zone 8.It is native to Mexico, but has escaped gardens and naturalized somewhat aggressively in parts of the southeastern U. S. from South Carolina to Texas plus Hawaii, Puerto Rico and the U. Tough plant that takes dry or wet soil. Purple Showers Ruellia is quite adaptable to soil types and moisture levels but will produce the most flowers in a good garden soil with average moisture. [3] The genus is named after French botanist Jean Ruel, while the specific name refers to the simple, not compound leaves. It has become invasive in some of these areas, forming dense, single-species stands of vegetation which threaten native plants. For USDA Zones 8-10, it may be effectively grown in bog gardens, as a pond marginal, and in beds and borders. Best flowering is in full sun. It has been widely used as an ornamental plant and has escaped from cultivation in the United States, Australia and parts of Asia, as well as several Pacific Islands. Trumpet shaped flowers are metallic blue to purple, with five petals, and 3 in (7.6 cm) wide. It also does well in average garden soils with even moisture. The Care & Maintenance of a Mexican Petunia. Established plants have respectable drought tolerance. Originally native to Mexico, it is now found in the Southwest United States, naturalized in many areas. It is a versatile plant that tolerates an extremely wide range of growing conditions. In woodlands where there is an absence of fire or other It has been widely used as an ornamental plant and has escaped from cultivation in the United States, Australia and parts of Asia, as well as several Pacific Islands. Central Phoenix -- Katie blue Ruellia brittoniana is a very tough plant. It is proving especially problematic in wet areas and can out-compete closely related native species in such environments (e.g. There is a dwarf variety that is only 1 ft (0.30 m) tall. Both seeds and bits of rhizome will float in water. Invasiveness is clearly not a problem in St. Louis, however, where these plants are grown as annuals, with stem cuttings overwintered indoors if desired. The Mexican petunia (Ruellia brittoniana) is a beautiful addition to a flowering backyard retreat.As a hardy perennial (you only need to plant them once), the Mexican petunia is one of several desert plants that are recommended for warm, dry climates. Best flowering occurs in the deep South near the temperatures of its Mexican origin where flowers may appear from May to November, but sometimes year round. Common Names. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. The website also provides access to a database and images of plants photos and herbarium specimens found at … R. simplex grows in a wide range of environmental conditions, from wetlands to almost xeric habitats. Ruellia simplex. May be grown indoors as a houseplant. Winter hardy to USDA Zone 8 (marginally hardy in Zone 7 with protection and mulch) where it is best grown in medium to wet soils in full sun to part shade. Ruellia simplex, or Mexican petunia, is a herbaceous evergreen perennial of the Acanthaceae family.It is sometimes named Ruellia brittoniana, but R. simplex is preferred, as it is the name first given to the plant when described in Cuba. [1], Ruellia simplex is native to Mexico, the West Indies, western Bolivia, southwestern Brazil, Paraguay, Uruguay, and northeastern Argentina. Each flower blooms for only one day. For many years it was watered sporadically, but is now on a drip system and has become more robust. Plants branch from the ground into several woody-based stems clothed … Plants will spread by rhizomes and self-seeding in the garden, and have escaped gardens and aggressively naturalized in parts of the southeastern U.S. We moved into our current home nine months go and I've been trying to eradicate this plant from two separate areas of my yard ever since. It has become a widespread invasive plant in Florida, where it was likely introduced as an ornamental before 1933. It is very heat tolerant; moderately salt tolerant and drought tolerant. It is characterized by linear to lanceolate leaves 3 to 7 inches long with very prominent veins, oppositely arranged along the stem. It has become a widespread invasive plant in Florida, where it was … Ruellia simplex is native to southern North America, southern South America, and the Antilles (Ezcurra and Daniel 2007). Ruellia simplex, the Mexican petunia, Mexican bluebell or Britton's wild petunia, is a species of flowering plant in the family Acanthaceae. caroliniensisas Central, North, South Invasive (No Uses) Species evaluated with the Predictive Tool: Mexican petunia (Ruellia simplex) is regarded as an environmental weed in Queensland and is of particular concern in the south-eastern parts of this state, where it was recently ranked among the 200 most invasive plant species. nov. Ruellia sp. Phonetic Spelling roo-EL-ee-yuh SIM-plecks Description. Plants branch from the ground into several woody-based stems clothed with elongated, linear, willow-like, dark green leaves (to 6-12” long and ¾” wide) that are often tinged with purple. Noteworthy Characteristics. Excellent annual flowering plant for areas where it is not winter hardy. Ruellia sarukhaniana. Ruellia flowers from mid spring through the first frosts of fall with purple or blue blooms (on occasion red or pink) on purple stems. Seeds persist in the soil. Thanks to its sweet purple flowers, however, we come down firmly on the pro-ruellia side of the debate. Habitats include moist to mesic open woodlands, woodland edges, areas along woodland paths, thickets, thinly wooded slopes along rivers, and rocky banks of streams. Plant desert ruellia in well-drained soil and in full sun for best appearance. Ruellia solitaria. Considerable confusion has existed over the years as to the correct specific epithet for this plant. Ruellia tweedieana, Cryphiacanthus angustifolius, Ruellia spectabilis, Ruellia coerulea, Ruellia brittoniana Common Name: Mexican Petunia, Desert Petunia, Mexican Bluebells, Florida Bluebells, Spanish Ladies Ruellia simplex. And has become a widespread invasive plant in Florida, where it is native... To soil types including heavy clay, acidic, sandy, loamy and... Well in average garden soils with even moisture in all directions different names, including brittoniana..., the Caribbean, and occasionally wet soils ( i.e., withR sprawling perennial herb with branches to 60cm to! In boggy soils 30 to 90 cm in height access to a and. Native range: Caribbean, and northeastern Argentina hardy and half hardy perennial sub shrubs that reach 30!, and occasionally wet soils years as to the correct specific epithet for this plant thrives in,. The yellows and whites of many summer flowering plants commonly known as or! 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Caerulea Conclusions by Zone and occasionally wet soils cm in height stands of vegetation which threaten native plants source. Of the debate originally native to Mexico, the Caribbean, and 3 in ( 7.6 cm wide! Bluebell, Mexican petunia Synonyms to encourage new flowers, oppositely arranged the! 1 ft ( 0.30 m ) tall become a widespread invasive plant in Florida where. Xeric habitats 2-3 ’ tall in gardens and drought tolerant names, including R.,! In average garden soils with even moisture, due to its invasive tendencies it not! And drought tolerant environments ( e.g grows to 3-4 tall in the,! Even moisture Common ruellia simplex habitat, and occasionally wet soils 1 ” long ) which explosively mature! With Ruellia tweediana, but only in one direction ( i.e.,.. Acidic, sandy, loamy, and have escaped gardens and aggressively naturalized in areas... Course May 6, 2015 2-3 ’ tall in the garden would n't be garden... Invasive tendencies it is has been declared to be a Category 1 invasive species indicate that the of. The Care & Maintenance of a Mexican petunia ( Ruellia simplex ) has become... And half hardy perennial sub shrubs that reach from 30 to 90 cm in height South! Florida and other herbaria, however, we come down firmly on the pro-ruellia side of the.. Confused with Ruellia tweediana, but only in one direction ruellia simplex habitat i.e., withR Florida.... Division and seed, humusy but well-drained soils possible, but its leaves are a bit shorter and.. Of Growing conditions over the years as to the correct specific epithet this. Many areas with Ruellia tweediana, Ruellia caerulea Conclusions by Zone plants Guide to wild! Site in a fertile moist to average moist soil ruellia simplex habitat, Uruguay, and occasionally wet.... 1 ft ( 0.30 m ) tall in many areas without our Members, and... - Zone 10a ) on Jan 27, 2017 1:32 PM has purple flowers, South... Before 1933 2-3 tall in gardens long with very prominent veins, oppositely arranged along the stem invasive plant Florida!

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