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Ugni molinae
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| Ugni molinae | |
|---|---|
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Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Myrtales |
| Family: | Myrtaceae |
| Genus: | Ugni |
| Species: | U. molinae
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| Binomial name | |
| Ugni molinae | |
| Synonyms[1] | |
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Ugni molinae, commonly known as Chilean guava berry,[1] or strawberry myrtle,[1] is a shrub native to Chile and adjacent regions of southern Argentina. The local Spanish name is murta, and the Mapuche Native American name is "uñi".[citation needed] It is in the same botanical family as the guava, in Myrtaceae.
The fruit is sometimes marketed as "Ugniberry", as "New Zealand cranberry" in New Zealand,[2] and the name "Tazziberry" has been trademarked in Australia,[3] but it is not a native plant to these countries.
Description
[edit]
 | This section needs additional citations for verification. (March 2010) |
Ugni is a shrub from 30 cm to 170 cm tall with evergreen foliage. In some exceptional cases, the shrub can grow up to 3 m in height. The leaves are opposite, oval, 1–2 cm long and 1-1.5 cm broad, entire, glossy dark green, with a spicy scent if crushed. The flowers are drooping, 1 cm diameter with four or five white or pale pink petals and numerous short stamens; the fruit is a small red, white or purple berry 1 cm diameter. In its natural habitat, the Valdivian temperate rain forests, the fruit matures in autumn from March to May.
History
[edit]It was first described by Juan Ignacio Molina (hence its name) in 1782. It was introduced to England in 1844 by the botanist and plant collector William Lobb, where it became a favorite fruit of Queen Victoria.[4] It is also grown as an ornamental plant.
Sometime prior to 1896 Ugni molinae was introduced to Robinson Crusoe Island where it became an invasive species colonizing open patches and forming dense brushes.[5]
The fruit is cultivated to a small extent. The usage of the fruit in cuisine is limited to southern Chile where it grows natively as well as in small-scale commercial agriculture in New Zealand. It is used to make the traditional liqueur Murtado that is made of aguardiente and sugar flavoured by conserving murtas inside the bottle. It is also used to make jam and the murta con membrillo dessert and in Kuchen.[4]
Considered an invasive species in the Juan Fernandez Islands, the Juan Fernandez Women's Group has led efforts to support local women to harvest to berries and create products to sell with them.[6]
See also
[edit]References
[edit]- ^ a b c "Ugni molinae". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 2 January 2018.
- ^ "New Zealand Cranberry (Myrtus ugni)". Venture Southland.
- ^ M. Forbes-Smith (2006). "TazziberryTM (Myrtus ugni) – Production protocols: A report for the Rural Industries Research and Development Corporation". Australian Government Rural Industries Research and Development Corporation. Archived from the original on 2016-03-04. Retrieved 2011-10-09.
- ^ a b Diacono, Mark (2010-12-13). "How to grow and cook Chilean guava". the Guardian. Retrieved 2021-06-03.
- ^ Alarcón, Diego; López-Sepúlveda, Patricio; Fuentes, Glenda; Montoya, Hellen; Peñailillo, Patricio; Carrasco, Pedro (2019). "Parches invadidos por Ugni molinae en isla Robinson Crusoe: ¿Hay plantas nativas y endémicas capaces de vivir en ellos?" [Ugni molinae invaded patches in Robinson Crusoe Island: Are there native and endemic plants able to live within them?]. Gayana. Botánica (in Spanish). 76 (1): 126–131. doi:10.4067/S0717-66432019000100126.
- ^ "Archipiélago de Juan Fernández: el tesoro del mar chileno y su lucha por la conservación". Ladera Sur (in Spanish). Retrieved 2024-10-07.
External links
[edit]
Look up ugniberry in Wiktionary, the free dictionary.
Media related to Ugni molinae at Wikimedia Commons
- Description at Plants for a Future.org: Ugni molinae (Chilean guava)
- Wong, James (3 April 2016). "Gardens: the remarkably under-rated Chilean guava". The Guardian.
Ugni molinae
View on Grokipediafrom Grokipedia
Taxonomy
Etymology
The genus name Ugni is derived from the Mapudungun word uñi, the indigenous term used by the Mapuche people of southern Chile for the fruit of this plant.[6] The specific epithet molinae honors Juan Ignacio Molina (1740–1829), an Italian-born Chilean Jesuit priest, naturalist, and botanist who first described the species as Myrtus ugni in his 1782 work Saggio sulla storia naturale del Chili. In addition to its scientific nomenclature, Ugni molinae is known by various indigenous and local names reflecting its cultural significance in the Andean regions of Chile and adjacent southern Argentina, including uñi or ñi in Mapudungun, murta or murtilla in Spanish, and the English common name Chilean guava; these terms vary regionally, with murta commonly used in central-southern Chile for both the plant and its fruit, while similar usages persist in Argentine Patagonia.[7][5]Classification and synonyms
Ugni molinae is placed within the kingdom Plantae, phylum Tracheophyta, class Magnoliopsida, order Myrtales, family Myrtaceae, genus Ugni, and species U. molinae.[1] The family Myrtaceae encompasses approximately 5,500 species of trees and shrubs, predominantly in tropical and subtropical regions, featuring opposite or alternate leaves and fruits that are often fleshy berries or woody capsules—traits consistent with the genus Ugni.[8][9] Accepted synonyms for Ugni molinae include Myrtus ugni Molina, Eugenia ugni (Molina) Hook. & Arn., and Myrtus molinae (Turcz.) Barnéoud.[10][11] The genus Ugni contains 4 accepted species, native to regions of South America from Mexico to Chile and Argentina, of which U. molinae holds the greatest economic importance for its cultivated berry production.[12]Botanical description
Habit and foliage
Ugni molinae is an evergreen shrub exhibiting an upright or spreading habit, typically growing to heights of 0.3 to 1.7 meters, though specimens in the wild can occasionally reach up to 3 meters.[3][13] It forms dense thickets through suckering and is characterized by profuse branching, with young twigs often reddish and pubescent, maturing to deep brown.[14][15] The foliage is arranged oppositely along the stems and consists of simple, oval to ovate leaves, measuring 1 to 2 cm in length and 0.6 to 1.5 cm in width. These leaves are leathery in texture, glossy dark green on the upper surface, and paler beneath, with entire margins and an acuminate apex.[3][16] When crushed, the leaves release a spicy aroma attributable to essential oils contained within schizogenous secretory cavities.[17][18] In its native temperate climate of southern South America, U. molinae maintains its evergreen foliage throughout the year, providing consistent cover in forest understories and scrub habitats.[14]Flowers and fruit
The flowers of Ugni molinae are pendulous, hermaphroditic, and typically solitary or in small axillary clusters on long peduncles.[19] They measure approximately 1 cm in diameter, featuring five sepals united at the base and bent outwards, five linear petals that are white to pale pink, numerous stamens, and a style longer than the stamens.[19] Blooming occurs in spring in the Southern Hemisphere, from November to December.[19] Pollination is primarily entomophilous, with bees serving as key vectors, though the species exhibits self-fertility in many populations, allowing fruit set without cross-pollination. The aromatic foliage may enhance pollinator attraction during flowering.[19] The fruit is a small, globoid berry, 7–13 mm in equatorial diameter, with white pulp and skin that ripens to shades of red, purple, or rarely white or pink, depending on ecotype.[19] It contains 10–27 small, hard-coated seeds and matures 3–6 months after flowering, typically from February to April in its native range.[19][20] The distinctive flavor, evoking a mix of strawberry and pineapple, arises from volatile compounds such as ethyl butanoate.[3][19] Seeds are dispersed primarily by birds and mammals, including the monito del monte (Dromiciops gliroides), which defecates viable seeds that exhibit enhanced germination rates compared to undispersed ones.[21]Distribution and habitat
Native range
Ugni molinae is native to central and southern Chile, ranging from the O'Higgins Region in the north to the Aysén Region in the south, as well as the adjacent Andean foothills in southern Argentina, including the provinces of Neuquén, Río Negro, and Chubut.[22][23][24] The species occurs at elevations from sea level up to 1,800 m, inhabiting Mediterranean to temperate rainforest climates characterized by cool, wet winters and mild summers.[1][25] It is briefly associated with the Valdivian temperate rain forests in its natural habitat.[26] Outside its native range, Ugni molinae has been introduced and become naturalized in New Zealand and on Robinson Crusoe Island (Juan Fernández Islands), where it is considered invasive.[14][27] The species is not currently assessed as threatened on the IUCN Red List.[28]Ecology
Ugni molinae primarily occupies the understory of sclerophyllous forests, Nothofagus-dominated temperate rainforests, and coastal scrub habitats in its native range, often growing in well-drained soils that support its evergreen shrub form.[17][13] This species thrives in environments from sea level to elevations of 1500 m, associating with diverse forest strata including those led by Nothofagus glauca.[17][29] The plant forms ectomycorrhizal associations that enhance nutrient uptake, particularly in the nutrient-limited soils of southern Chilean temperate rainforests.[30] Seed dispersal occurs mainly through birds, which consume the fleshy fruits and deposit seeds via endozoochory, contributing to the species' regeneration in forest gaps.[31] Mammals such as foxes also play a role in seed dispersal by transporting fruits into disturbed areas like post-fire landscapes.[32] U. molinae exhibits adaptations for resilience in fire-prone ecosystems, including the ability to resprout from basal shoots after burning, which aids its persistence in sclerophyllous woodlands.[14] In its native habitats, it serves as a key food source for wildlife, with fruits supporting bird populations and enhancing local biodiversity through trophic interactions.[31] However, the species faces threats from invasive plants in altered ecosystems, potentially competing for resources in understory niches.[33] On islands such as Robinson Crusoe in the Juan Fernández Archipelago, U. molinae has become invasive, forming dense thickets that outcompete native vegetation and reduce habitat for endemic species.[34] This spread disrupts montane scrub and forest understories, necessitating control measures to protect biodiversity hotspots.[35]Cultivation
Growing requirements
Ugni molinae thrives in temperate climates corresponding to USDA hardiness zones 8 to 10, where it can withstand winter lows down to about -10°C when dormant and fully established, though young plants are frost-sensitive and require protection from temperatures below -5°C.[36] It prefers cool summers with daytime temperatures between 15°C and 25°C, mild winters, and moderate to high humidity levels, reflecting tolerances observed in its native Andean habitats. The plant requires acidic, well-drained soils with a pH range of 5.5 to 6.5, ideally loamy or sandy textures enriched with organic matter to support root health while preventing waterlogging or compaction in heavy clay.[37][38][39] It performs poorly in alkaline conditions, where chlorosis may occur without soil acidification amendments. For optimal growth, provide full sun exposure in cooler regions, transitioning to partial shade—particularly afternoon protection—in hotter climates to avoid leaf scorch and maintain fruit quality.[13][40] Watering should maintain consistent soil moisture, especially during the flowering and fruiting periods from spring to autumn, though established plants exhibit good drought tolerance and require less frequent irrigation once roots are developed.[36] Fertilize sparingly in early spring with low-nitrogen, ericaceous formulations designed for acid-loving plants to promote healthy foliage and fruit set without excessive vegetative growth.[39]Propagation and care
Ugni molinae can be propagated through seeds, cuttings, and layering. Seeds germinate readily without stratification, with cleaned seeds achieving rates of 87-96% starting at 15-21 days under laboratory conditions at 20°C with a 12-hour light/dark cycle.[41] Semi-ripe cuttings taken in summer root easily in a moist, well-drained medium, often with the aid of rooting hormone, typically forming roots within 4-6 weeks.[42] Layering occurs naturally when low branches contact the soil, producing rooted offsets that can be separated and transplanted.[43] When planting, space individuals 1-1.5 meters apart to allow for mature spread and airflow. Apply a 5-10 cm layer of organic mulch around the base, keeping it away from the stem, to retain soil moisture and suppress weeds.[40][44] In regions where it has naturalized, such as parts of New Zealand, monitor for potential invasiveness and manage to prevent unwanted spread.[14] Pruning involves light annual trimming after fruiting to shape the shrub, encourage bushiness, and remove dead or damaged wood; it belongs to pruning group 1, requiring minimal intervention.[36] The plant is generally pest- and disease-free in cultivation, though it may occasionally suffer from aphids or scale insects, which can be managed through cultural practices like good airflow, and root rot from overwatering or poor drainage, prevented by ensuring well-drained soil.[36][45] Harvest fruits when fully colored and fragrant in late summer to early autumn; a mature plant yields approximately 2-5 kg annually, with production increasing by about 1 kg per year after the third season.[44]Uses
Culinary applications
The fruits of Ugni molinae, known as murtilla or Chilean guava, are commonly consumed fresh due to their tangy-sweet flavor, reminiscent of a blend between strawberry and guava.[46] In Chilean cuisine, they are harvested from wild or cultivated sources and used in various processed forms, including jams, jellies, sauces, and desserts such as murta con membrillo, a traditional preparation combining the berries with quince paste.[46] In New Zealand, where small-scale cultivation occurs, the fruits are incorporated into pies and baked goods, leveraging their aromatic profile for sweet applications.[47] Beverages featuring U. molinae include liqueurs like murtado, a Chilean specialty made by infusing the fruits in aguardiente with sugar to create a flavored spirit.[48] The leaves are utilized in herbal teas and infusions, providing a spicy, aromatic flavor suitable as a tea substitute, while historically, roasted seeds have served as a coffee alternative in local preparations.[46] Nutritionally, fresh U. molinae fruits offer approximately 75 kcal per 100 g, with high levels of dietary fiber at 21.6 g per 100 g, vitamin C ranging from 4.53 to 12.55 mg per 100 g, and minerals including 90 mg calcium, 20 mg phosphorus, and 116 mg potassium per 100 g.[5] They are also rich in antioxidants, such as anthocyanins (e.g., cyanidin-3-glucoside) and phenolic compounds (9.2–34.9 mg GAE per g dry weight), contributing to their value in food preservation and functional products.[5] Commercially, U. molinae is cultivated in Chile for local consumption and potential export as a novel berry, with emerging interest in its bioactive properties for processed foods.[5] Small-scale production exists in the United Kingdom and Europe, where it is marketed as "New Zealand cranberry" for niche culinary markets.[46]Medicinal and other uses
In traditional Mapuche medicine, Ugni molinae, known locally as murta, has been used to prepare teas from leaves and fruits to treat digestive issues, inflammation, and wounds due to its astringent and healing properties.[49][50][51] Modern research supports these applications, demonstrating that extracts from the plant exhibit strong antioxidant activity, attributed to high levels of phenolic compounds and anthocyanins, which help combat oxidative stress.[5] Additionally, leaf and fruit extracts show antimicrobial effects, including inhibition of Escherichia coli and other pathogenic bacteria, validating their use for wound healing and infections.[52][53] The phytochemical profile of Ugni molinae includes bioactive compounds such as flavonoids and triterpenes in the leaves, contributing to its anti-inflammatory effects, while fruit extracts are rich in polyphenols that inhibit enzymes like α-amylase and α-glucosidase, suggesting potential antidiabetic benefits by regulating carbohydrate metabolism.[54][55] These extracts are incorporated into dietary supplements for their antioxidant and health-promoting properties.[5] Recent research as of 2025 has also demonstrated neuroprotective effects and benefits for gut health, including reduction of neuroinflammation, mHtt aggregates, and intestinal fibrosis in models of Huntington's disease.[56] Leaf essential oils, primarily composed of sesquiterpenes like β-elemene and β-caryophyllene, further enhance the plant's therapeutic potential.[57] Beyond medicinal applications, Ugni molinae serves as an ornamental plant in gardens, valued for its evergreen, glossy foliage with seasonal red-purple flushes and fragrant white flowers.[58] It is commonly grown as a low hedge or border in mild climates due to its dense, bushy habit, which responds well to pruning.[46]History
Scientific discovery
Indigenous peoples of southern Chile and adjacent Argentina, including the Mapuche and Huilliche, utilized Ugni molinae—known to them as uñi or murta—for medicinal and culinary purposes long before European colonization, though this knowledge remained oral and undocumented in written records. The plant's fruits were consumed fresh or processed into infusions to address ailments such as diarrhea, respiratory issues, and inflammation, reflecting a deep integration into traditional practices sustained over millennia in the region's temperate forests.[7][59] The first formal scientific description of the species appeared in 1782, when Chilean naturalist Juan Ignacio Molina documented it as Myrtus ugni in his work Saggio sulla storia naturale del Chili, based on observations from his homeland. Molina's account, published in Bologna, provided an initial botanical characterization within the genus Myrtus, drawing from local specimens and highlighting its distinct features among Chilean flora. This publication marked the entry of Ugni molinae into European scientific literature, though Molina's classification reflected the limited taxonomic frameworks of the era.[11] In the 19th century, intensified botanical expeditions to South America, including those by European collectors in Chile, yielded herbarium specimens that facilitated further scrutiny of Molina's placement. These collections, preserved in institutions such as those in Moscow and Paris, revealed morphological distinctions in floral structure—particularly the reflexed sepals and strap-shaped filaments—that warranted separation from Myrtus. In 1848, Russian botanist Nikolai Turczaninow established the genus Ugni and transferred the species to Ugni molinae in the Bulletin de la Société Impériale des Naturalistes de Moscou, based on these revisions within the Myrtaceae family. The specific epithet honors Molina's pioneering contribution.[3][60]Introduction and spread
The plant's global dissemination began in the mid-19th century through botanical exploration and horticultural interest. In 1843, British plant collector William Lobb gathered specimens during his expedition to Chile on behalf of Veitch Nurseries, a prominent Exeter-based firm specializing in exotic plants. The following year, 1844, these plants arrived in England, where they were propagated and distributed to gardens and estates.[3][42][61] The shrub quickly gained favor in British horticulture, particularly after it caught the attention of Queen Victoria, who reportedly enjoyed its fruits fresh with cream, contributing to its popularity among the aristocracy and in ornamental landscapes. From England, Ugni molinae spread to other regions via colonial trade and plant exchanges. It reached California around 1900, where it was noted in early 20th-century introductions of trees and shrubs, and became established in ornamental and rare fruit collections. In New Zealand, it was introduced for horticultural purposes in the 19th century and later naturalized, leading to commercial production by the late 20th century, particularly in the North and South Islands. Similarly, it was introduced to Australia, where it is cultivated and marketed under names like Tazziberry for its edible fruits. However, the plant's spread has not been without ecological consequences; on Robinson Crusoe Island in the Juan Fernández Archipelago, it was introduced prior to 1896 and has since become invasive, colonizing open areas and displacing native vegetation in montane forests.[62][63][14][64] In the 20th century, interest in Ugni molinae grew in its native range, with increased cultivation in Chile starting post-1950s to support food product development such as jams, liqueurs, and teas, driven by its antioxidant-rich berries. Research on its invasiveness intensified in the 1990s, with studies documenting its expansion on oceanic islands and impacts on biodiversity, informing conservation strategies. As of 2025, the shrub remains popular as an ornamental in mild climates of Europe and the United States, valued for its aromatic foliage, flowers, and fruits. In southern Chile, it holds economic significance through small-scale commercial agriculture, contributing to local agroforestry and native fruit industries. Recent developments include the introduction of new cultivars such as 'Pretty Berry' in 2024 and continued research on its bioactive compounds for antimicrobial and antioxidant applications.[65][66][67][68][69]References
- https://species.wikimedia.org/wiki/Ugni