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William S. Justice @ USDA-NRCS PLANTS Database |
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| USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3 |
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Summary
Physical Characteristics
Pycnanthemum flexuosum is a PERENNIAL growing to 1 m (3ft 3in) by 0.5 m (1ft 8in).
See above for USDA hardiness. It is hardy to UK zone 5. It is in flower from August to September. 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: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Koellia flexuosa.
Plant Habitats
Woodland Garden Sunny Edge; Dappled Shade; Cultivated Beds;
Edible Uses
One report says that the plant is used for food, but gives no details[257].
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Analgesic Diaphoretic Febrifuge Stomachic
The leaves and flowering stems are popularly used in the treatment of bowel complaints[207]. A hot infusion of the plant is diaphoretic[207]. The plant is also used internally in the treatment of stomach upsets, fevers, colds and sinus headaches[238, 257]. A poultice of the leaves is used in the treatment of headaches[257]. A warm infusion of the plant has been used to bathe an inflamed penis[257]. The plant is harvested as it comes into flower and can be used fresh or dried.
References More on Medicinal Uses
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Other Uses
References More on Other Uses
Cultivation details
Succeeds in most soils[1] but prefers a rich loamy soil in full sun or partial shade with plenty of moisture in the growing season[200]. Hardy to at least -15°c[200]. The correct name for this species should be P. tenuifolium. Schrad.[228]. The bruised leaves are very aromatic[200]. For polyculture design as well as the above-ground architecture (form - tree, shrub etc. and size shown above) information on the habit and root pattern is also useful and given here if available. The plant growth habit is a clumper with limited spread [1-2]. The root pattern is rhizomatous with underground stems sending roots and shoots along their length [1-2].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
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Plant Propagation
Seed - sow spring or autumn in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. If there are sufficient seeds they can be sown in an outdoor seedbed in April. Division in spring.
Other Names
If available other names are mentioned here
Native Range
Northern America United States, Alabama, Florida (north), Georgia, North Carolina, South Carolina, Virginia (southeast),
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 :
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
Britton.
Botanical References
200228
Links / References
For a list of references used on this page please go here
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Subject : Pycnanthemum flexuosum
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