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Boneset

Symphytum officinale L.
Boneset
Photo: Wikimedia Commons (CC-BY-SA-4.0)

Symphytum officinale, commonly known as boneset, is a perennial herb native to Europe and parts of Asia. It belongs to the Boraginaceae family, which includes other notable genera like Echium and Heliotropium. This plant is characterized by its robust growth, large leaves, and clusters of bell-shaped flowers. Historically, it has been used in traditional medicine, but its use is now limited due to potential health risks.

Description

Boneset is a herbaceous perennial that typically grows to a height of 1 to 2 meters. Its leaves are large, lanceolate, and have a rough texture. The plant produces clusters of small, bell-shaped flowers that range in color from pink to purple. These flowers bloom in late spring to early summer and are arranged in a terminal cyme. The root system is deep and fibrous, allowing the plant to thrive in a variety of soil conditions.

Habitat

Boneset is commonly found in moist, well-drained soils in a range of habitats, including meadows, woodlands, and along the edges of streams and ditches. It is native to much of Europe and parts of Asia, and has been introduced to North America, where it is now naturalized in many regions. It prefers partial to full shade and can tolerate a wide range of environmental conditions, making it a hardy and adaptable species.

Cultivation

Cultivating boneset is relatively straightforward, as it is a hardy plant that can thrive in a variety of garden settings. It prefers moist, fertile soil and partial shade, although it can tolerate full sun if the soil remains consistently moist. The plant can be propagated through seeds or division of the rootstock. Regular watering and occasional pruning can help maintain its shape and encourage healthy growth. Due to its potential toxicity, it is important to handle the plant with care and avoid using it for internal consumption.

Uses

Historically, boneset has been used in traditional medicine for its purported healing properties, particularly for treating bone fractures and skin conditions. The plant contains allantoin, a compound that promotes cell proliferation and wound healing. However, due to the presence of pyrrolizidine alkaloids, which can cause liver damage, the use of boneset in internal applications is now discouraged. It is sometimes used in topical treatments, but caution is advised. In horticulture, boneset is valued for its ornamental qualities and can be used in garden borders or as a ground cover in shaded areas.

Other common names

Common comfreyBonesetBruisewortComfreyConsoundHealing-HerbHealingherbKnitboneSlippery-Rootcultivated comfreyquaker comfreytrue comfrey

Distribution

Newfoundland · Alberta · British Columbia · Manitoba · New Brunswick · Nova Scotia · Ontario · Prince Edward Island · Quebec · Saskatchewan · Saint Pierre and Miquelon · IS · TW · NO · PT · Flanders · Bulgaria · Denmark · Finland · Norway · Sweden · SE · Vermont-US · IN · CN · AU · BG · DK · JP · Jardín Botánico de Bogotá

Synonyms

Symphytum albumSymphytum ambiguumSymphytum majusSymphytum molleSymphytum microcalyxSymphytum stenophyllumSymphytum patensSymphytum peregrinumSymphytum rakosienseSymphytum elatumSymphytum communeSymphytum consolidaSymphytum besseriSymphytum bohemicumConsolida majorConsolida major

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