Acanthus montanus (Nees) T. Anders. [family ACANTHACEAE]. Herbarium. Royal Botanic Gardens, Kew (K). Collection. Useful Plants of West Tropical Africa . EEB Greenhouse Accession Data for Acanthus montanus. Acanthus montanus (Nees) T. Anderson (Acanthaceae) is a shrub widespread in Africa, the Balkans, Romania, Greece and Eastern.

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Wikimedia Commons has media related to Acanthus montanus. Remove flowering stalks after bloom. Where winter hardy, this is a bold, stately plant that may be grown as a specimen but is perhaps best sited in small groupings.

IUCN Red List of Threatened Species

The effectiveness of the root of A. The aqueous root extract obtained by hot water maceration of the root powder was studied for effects on the growth of clinically isolated strains of Pseudomonas aeruginosa and Staphylococcus aureus. This plant is used for ornamental monhanus medicinal purposes.

Spikes of pale pink flowers appear summer to fall. Louis area where they should be grown in greenhouses, conservatories or as houseplants. Views Read Edit View history.

It reaches up to 6 feet 1. Phytochemical constituents such as alkaloids and carbohydrates may be responsible for these pharmacological activities.

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Plants grow to ‘ tall when in flower. Phytochemical tests on the extract revealed an abundant presence of alkaloids and carbohydrates while saponins, glycosides, and terpenoids occurred in trace amounts.

Antimicrobial and anti-inflammatory activities are likely contributory mechanisms. Unwanted spread can be addressed by root barriers. Additional images for this accession: Plants are not winter hardy to the St. Noteworthy Characteristics Acanthus montanus commonly called mountain thistle is a shrubby, spreading perennial that is grown as much for its attractive foliage as for its architecturally bold flower spikes.

No serious insect or disease problems. Acanthus montanus Nees T. Deeply lobed, ovate to lanceolate, spiny, dark green leaves to 12″ long with acuminate tips and silvering are both showy and ornamental.

Plants are best propagated from root cuttings taken in early spring, but may be grown from seed. Ground Bed 2 SE Currently: Plants tolerate a wide range of soils except poorly-drained ones.

The acute toxicity and lethality LD50 in mice and phytochemical constituents of the extract monganus also determined.

West African Plants

Leaves are used to maturate abscesses. In southeastern Nigeria, the root is popular and acclaimed highly effective in the treatment of furuncles.

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The leaves have silver marks and wavy margins. Where motnanus hardy, plants can spread invasively in optimum conditions. This accession has been observed in bloom on: Accessed 19 August The Plant List Plants can spread invasively by creeping rootstocks, particularly in loose soils.

Acanthus montanus {Acanthaceae} Bear’s Breech

Garden Uses Where winter hardy, this is a bold, stately plant that may be grown as a specimen but is perhaps best sited in small groupings. It has been used against rheumatism and some diuretic action is also mentioned. Culture Winter hardy to USDA Zones where it may be grown in fertile, medium moisture, well-drained soils in full sun to part shade. Deeply lobed, ovate to lanceolatespiny, dark green leaves to 12″ long with acuminate tips and silvering are both showy and ornamental.

Snails and slugs are occasional visitors that can do substantial damage if left unchecked.