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Summary
Bloom Color: Green.
Main Bloom Time: Early summer, Late summer, Mid summer. Form: Rounded.
Physical Characteristics
Acorus gramineus is an evergreen Perennial growing to 0.3 m (1ft) by 0.2 m (0ft 8in).
It is hardy to zone (UK) 5 and is not frost tender. It is in leaf all year, in flower from June to July, and the seeds ripen from July to August. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist or wet soil and can grow in water.
Synonyms
Habitats
Ground Cover; Pond; Bog Garden;
Edible Uses
Edible Parts: Root.
Edible Uses: Condiment.
Root - raw or cooked[105, 177]. It should be peeled, finely chopped and soaked in several changes of water first[183]. A stronger and more pleasing taste than A. calamus[2, 183]. The root is also used as a ginger substitute[177]. Some caution is advised, see the notes above on toxicity.
Medicinal Uses
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Anodyne; Antibacterial; Antifungal; Antiperiodic; Antirheumatic; Antispasmodic; Aromatic; Cardiac;
Carminative; Diaphoretic; Diuretic; Emmenagogue; Expectorant; Febrifuge; Parasiticide;
Sedative; Stimulant; Stomachic; Tonic; Vermifuge.
The root is antifungal, antibacterial, antiperiodic, antirheumatic, antispasmodic, aromatic, cardiac, carminative, diaphoretic, emmenaggue, febrifuge, sedative, stimulant, stomachic, tonic and vermifuge[4, 7, 9, 21, 61, 147, 165, 176, 178, 218, 238, 240, 279]. It is also powdered and applied to bleeding gums[218, 238]. It is used internally in the treatment of digestive problems - particularly gastralgia and diarrhoea[283], cough, bronchial asthma, neurasthenia, depression, epilepsy etc[176, 238, 283]. Externally, it is used to treat body parasites, dermatosis and haemorrhoids[283]. The root can be harvested at any time of the year, except when the plant is in flower[238]. The root contains an essential oil consisting of asarone and asaryl aldehyde, plus a bitter glucoside acorin[176, 283]. Asarone increases the hypnotic effect of barbiturates and ethanol, lowers blood pressure and is antibacterial against Staphylococcus aureus, streptococci and mycobacterium[176]. The whole plant is anodyne, antiperiodic, antispasmodic, digestive, diaphoretic, diuretic, expectorant, sedative, stimulant, stomachic, sudorific, tonic, vermifuge[218].
Other Uses
Essential; Insecticide; Parasiticide; Repellent.
The dried root repels insects[178]. It is probably also insecticidal[178, 240] and is used in Vietnam to kill lice, bugs and fleas[283]. An essential oil is obtained from the plant[240]. A useful ground cover plant, forming a spreading clump[208].
Cultivation details
Landscape Uses:Container, Foundation, Ground cover, Massing, Rock garden, Seashore. Grows well in shallow water margins of ponds etc[1, 2], though it can also succeeds in drier habitats[56]. Requires a sunny position[200]. A very ornamental plant, there are some named varieties[208, 238]. The cultivar 'Pusillus' can be grown as a submerged aquatic plant[238]. Special Features:Attractive foliage, Fragrant foliage, Not North American native, Naturalizing, Wetlands plant, Inconspicuous flowers or blooms.
Propagation
Seed - best sown in a cold frame as soon as it is ripe. Stand the pot in about 3cm of water. Pot up young seedlings as soon as they are large enough to handle, keep them wet by standing the pots in shallow water and overwinter for the first year in a greenhouse or cold frame. Division in spring just before growth starts[1]. Very easy, the plants can be divided at any time in the growing season and can be planted direct into their permanent positions[K].
Other Names
If available other names are mentioned here
Found In
Countries where the plant has been found are listed here if the information is available
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
Expert comment
Author
Sol. ex Aiton.
Botanical References
58200
Links / References
For a list of references used on this page please go here
Readers comment
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Subject : Acorus gramineus
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