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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
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.
It is hardy to zone (UK) 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: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Synonyms

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Shady Edge;

Edible Uses

None known

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].

Other Uses

None known

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.

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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 NameEdibility RatingMedicinal Rating
Silphium laciniatumCompass Plant, Robinson's compassplant22
Silphium laeve 10
Silphium terebinthinaceumPrairie Dockm, Prairie rosinweed, Lucy Braun's rosinweed02

 

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Expert comment

Author

L.

Botanical References

43200

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Subject : Silphium perfoliatum  
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