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Scrophularia marilandica - L.

Common Name Carpenter's Square
Family Scrophulariaceae
USDA hardiness 6-9
Known Hazards None known
Habitats Rich woods and thickets[43].
Range Eastern N. America from Quebec to Alabama.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care (info)
Fully Hardy Moist Soil Semi-shade Full sun
Scrophularia marilandica Carpenter


William S. Justice @ USDA-NRCS PLANTS Database
Scrophularia marilandica Carpenter
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

 icon of manicon of flower
Scrophularia marilandica is a PERENNIAL growing to 3 m (9ft 10in).
See above for USDA hardiness. It is hardy to UK zone 7. It is in flower from August to September, and the seeds ripen in 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

Plant Habitats

Woodland Garden 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  Appetizer  Cancer  Diaphoretic  Diuretic  Eczema  Emmenagogue  Tonic  
Vermifuge  Vulnerary

Alterative, appetizer, diaphoretic, vermifuge and vulnerary[61, 218]. A tea made from the roots is diuretic, emmenagogue and tonic[222, 257]. It has been used in the treatment of irregular menses, fevers and piles[222]. A poultice made from the roots is a folk remedy for cancer[222]. Carpenter's square is said to have similar properties to the knotted figwort, S. nodosa. These properties are:- Knotted figwort is a plant that supports detoxification of the body and it may be used as a treatment for various kinds of skin disorders[254]. The whole plant is alterative, anodyne, anti-inflammatory, diuretic, mildly purgative and stimulant[4, 9, 21, 165]. It is harvested as the plant comes into flower in the summer and can be dried for later use[4]. A decoction is applied externally to sprains, swellings, burns, inflammations etc, and is said to be useful in treating chronic skin diseases, scrofulous sores and gangrene[4, 254]. The leaves can also be applied fresh or be made into an ointment[4]. Internally, the plant is used in the treatment of chronic skin diseases (such as eczema, psoriasis and pruritis), mastitis, swollen lymph nodes and poor circulation[238]. It should not be prescribed for patients with heart conditions[238]. The root is anthelmintic[9].

References   More on Medicinal Uses

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Other Uses

None known

Special Uses

References   More on Other Uses

Cultivation details

Succeeds in most moist soils[200].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Seed - sow spring 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. Division in spring. Larger divisions can be planted out direct into their permanent positions. We have found it best to pot up the smaller divisions and grow them on in a lightly shaded position in a cold frame, planting them out once they are well established in the summer.

Other Names

If available other names are mentioned here

Native Range

NORTHERN AMERICA: Canada (Québec (southwest), Ontario (south)), United States (Indiana, Maine, Massachusetts, Michigan, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Connecticut, Illinois, Iowa, Kansas, Minnesota (southeast), Nebraska, Oklahoma, South Dakota (southeast), Wisconsin, Alabama, Delaware, Georgia, Kentucky, Louisiana, Maryland, North Carolina, South Carolina, Virginia, Mississippi, Tennessee, Texas)

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 :

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123

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

L.

Botanical References

43200

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