It is proving especially problematic in wet areas and can out-compete closely related native species in such environments (e.g. caroliniensisas Adaptable to soil types but prefers a sunny site in a fertile moist to average moist soil. 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. 5908] Ruellia flowers are 2-inch long funnel-shaped blooms growing on a perennial shrub. In the last 20 years, Mexican petunia (Ruellia simplex) has gone from being relatively uncom… It is mainly a plant of wet places such as ditches, pond verges, lakesides and marshes, but can survive in drier conditions. Mexican petunia (Ruellia simplex) has also become invasive in south-eastern USA, where it has spread rapidly and displaced native flora. It is characterized by linear to lanceolate leaves 3 to 7 inches long with very prominent veins, oppositely arranged along the stem. For many years it was watered sporadically, but is now on a drip system and has become more robust. Habitats include moist to mesic open woodlands, woodland edges, areas along woodland paths, thickets, thinly wooded slopes along rivers, and rocky banks of streams. 5943] Ruellia species [Tripp et al. Considerable confusion has existed over the years as to the correct specific epithet for this plant. Ruellia simplex (Britton's wild petunia, Mexican petunia, Mexican bluebell) is a species of flowering plant in the acanthus family, Acanthaceae. Seeds explosively dehisce. Plant desert ruellia in well-drained soil and in full sun for best appearance. Ruellia sarukhaniana. Best flowering is in full sun. This plant thrives in moist, fertile, humusy but well-drained soils. Posted by plantladylin (Sebastian, Florida - Zone 10a) on Jan 27, 2017 1:32 PM. Mexican Petunia (Ruellia simplex) Biology and Management Adrienne M. Smith UF/IFAS Aquatic Weed Control Short Course May 6, 2015. 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. 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. 5967] Ruellia species [Tripp et al. Excellent free-blooming plant in large containers. It is a sprawling perennial herb with branches to 60cm. 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. 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. 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. Plants also tolerate high heat and humidity. 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. The wild form has purple flowers, and is native to Mexico, Western South America and the Antilles. 5944] Ruellia species [Tripp et al. nov. [Tripp et al. Invasiveness is clearly not a problem in St. Louis, however, where these plants are grown as annuals, with stem cuttings overwintered indoors if desired. It was introduced to Florida in the 1940s. 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. Map). [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. 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. Flowers are followed by bean-like pods (to 1” long) which explosively dehisce mature seed in all directions. It typically grows to 3-4 tall in the wild, but to 2-3 tall in gardens. 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. Phonetic Spelling roo-EL-ee-yuh SIM-plecks Description. Ruellia Simplex. Cut back stems after flowering to encourage new flowers. It is a native of Mexico, the Caribbean, and South America. 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 … Each flower blooms for only one day. 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. Ruellia solitaria. 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. Plants are most invasive in moist areas. 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 species [Tripp et al. 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