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Silphium perfoliatum - L.

Common Name Cup Plant, Rosinweed
Family Asteraceae or Compositae
USDA hardiness 3-7
Known Hazards None known
Habitats Rich woods, thickets, river banks and prairies[43].
Range Eastern N. America - Ontario to South Dakota, south to Georgia, Missouri and Oklahoma.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential Yes
Medicinal Rating    (2 of 5)
Care (info)
Fully Hardy Moist Soil Semi-shade Full sun
Silphium perfoliatum Cup Plant, Rosinweed


Silphium perfoliatum Cup Plant, Rosinweed
n illustrated flora of the northern United States, Canada and the British Possessions. Courtesy of Kentucky Native Plant Society.

 

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Summary

Bloom Color: Yellow. Main Bloom Time: Late summer, Mid summer. Form: Upright or erect.


Physical Characteristics

 icon of manicon of flower
Silphium perfoliatum is a PERENNIAL growing to 2.5 m (8ft 2in) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 4. It is in flower in July, and the seeds ripen in 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: 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

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Shady Edge;

Edible Uses

None known

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.
Alterative  Antispasmodic  Diaphoretic  Emmenagogue  Febrifuge  Hepatic  Pectoral  Stimulant  
Styptic  Tonic  Women's complaints

Cup plant was employed medicinally by several native North American Indian tribes who used it to treat a variety of complaints[257]. It is little, if at all, used in modern herbalism. A decoction of the root has been used to treat the stoppage of periods, and also to treat morning sickness and to prevent the premature birth of a child[257]. In view of these conflicting uses, it is best that it is not used by pregnant women unless under the guidance of a qualified practitioner[257]. The root is alterative, antispasmodic, diaphoretic, emmenagogue, febrifuge, hepatic, stimulant, styptic and tonic. It is used in the treatment of liver and spleen disorders and has also been used to treat morning sickness[4, 61, 257]. A decoction of the root has been used internally in the treatment of back and chest pain and lung haemorrhages[257]. A decoction of the root has been used as a face wash to treat paralysis[257]. A poultice of the moistened dried root has been applied to wounds to stop the bleeding[257].

References   More on Medicinal Uses

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An important new book from PFAF. It focuses on the attributes of plants suitable for food forests, what each can contribute to a food forest ecosystem, including carbon sequestration, and the kinds of foods they yield. The book suggests that community and small-scale food forests can provide a real alternative to intensive industrialised agriculture, and help to combat the many inter-related environmental crises that threaten the very future of life on Earth.

Read More

FOOD FOREST PLANTS

Other Uses

None known

Special Uses

Food Forest  Scented Plants

References   More on Other Uses

Cultivation details

Landscape Uses:Border, Massing, Specimen, Woodland garden. Succeeds in any ordinary garden soil[1]. Prefers a deep moisture retentive moderately fertile soil that is not too nitrogen rich, in sun or dappled shade[200]. Hardy to at least -25°c[187]. Plants have a deep and extensive root system which makes transplanting difficult. An aromatic resin exudes from the crushed leaves and stems[245]. Special Features: Attracts birds, Attractive foliage, North American native, Naturalizing, Attracts butterflies. The plant is heat tolerant in zones 9 through 5. (Plant Hardiness Zones show how well plants withstand cold winter temperatures. Plant Heat Zones show when plants would start suffering from the heat. The Plant Heat Zone map is based on the number of "heat days" experienced in a given area where the temperature climbs to over 86 degrees F (30°C). At this temperature, many plants begin to suffer physiological damage. Heat Zones range from 1 (no heat days) to 12 (210 or more heat days). For example Heat Zone. 11-1 indicates that the plant is heat tolerant in zones 11 through 1.) 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 runner spreading indefinitely by rhizomes or stolons [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

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The PFAF Bookshop

Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.

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Propagation

Seed - best sown as soon as it is ripe in a greenhouse[200]. Prick out the seedlings into individual pots as soon as they are large enough to handle and plant them out in the summer. Division in spring[188]. This is very difficult due to the deep and extensive root system.

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 :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Silphium integrifoliumPrairie RosinweedPerennial1.8 4-8 FLMHNDM312
Silphium laciniatumCompass Plant, Robinson's compassplantPerennial2.0 4-8  LMHSNM22 
Silphium laeve Perennial0.0 4-8  LMHSNM10 
Silphium terebinthinaceumPrairie Dockm, Prairie rosinweed, Lucy Braun's rosinweedPerennial1.5 4-8  LMHSNM02 
Silphium trifoliatumWhorled rosinweedPerennial1.8 4-6 MLMHSNDM002

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.

 

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Author

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Botanical References

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