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Thaspium trifoliatum - (L.) A. Gray

Common Name Woodland parsnip, Thaspium
Family Apiaceae
USDA hardiness 4-9
Known Hazards None Known
Habitats Rocky upland woodlands, rocky bluffs, upland oak savannas, woodland borders and openings, prairies, streambanks, and roadsides.
Range Native to eastern North America from Minnesota to New York south to Texas and Florida with concentrations found in the Mississippi River valley.
Edibility Rating    (0 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Fully Hardy Well drained soil Moist Soil Semi-shade Full sun
Thaspium trifoliatum Woodland parsnip, Thaspium


edibleplants.org
Thaspium trifoliatum Woodland parsnip, Thaspium
Jason Hollinger wikimedia.org

 

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Summary


Physical Characteristics

 icon of manicon of flower
Thaspium trifoliatum is a PERENNIAL growing to 1.2 m (4ft) by 1.2 m (4ft in) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 5.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

T. trifoliata L. T. trifoliatum var. trifoliatum

Plant Habitats

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.


None known

References   More on Medicinal Uses

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Other Uses

Invertebrates shelter: beneficial for insects and other arthropods. Nectary: provides nectar or pollen for beneficial insects [1-2]. Insectory The nectar and pollen of the maroon flowers attract primarily flies and beetles such as dance flies (Empis loripedis). The caterpillars of two butterflies, Papilio polyxenes asterias (Black Swallowtail) and Papilio joanae (Ozark Swallowtail), feed on the foliage of Thaspium trifoliatum (Meadow Parsnip). An aphid, Aphis thaspii, sucks juices from the umbels of the flowers [1-6]. Woodland or native US plant gardens.

Special Uses

References   More on Other Uses

Cultivation details

A long-lived Perennial in the parsley family. Prefers full sun to light shade, mesic (environment or habitat containing a moderate amount of moisture) to dry-mesic conditions, and practically any kind of soil, including those that contain clay-loam and rocky material. preferred Soil pH: 5.0 - 5.5. Bloom Time: May to July. Bloom Color: Yellow or Purple (depending on variety). Flower: Showy. 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 a tap root similar to a carrot going directly down [1-2]. Thaspium trifoliatum has two varieties - var. trifoliatum, which has dark maroon flowers, and aureum, which has golden yellow flowers.

References   Carbon Farming Information and Carbon Sequestration Information

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Plant Propagation

Seed

Other Names

If available other names are mentioned here

Smooth Meadow Parsnip, Woodland Meadow Parsnip, Yellow Meadow Parsnip, Purple Meadow Parsnip.

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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.

None Known

Conservation Status

IUCN Red List of Threatened Plants Status : Not Listed.

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Thaspium barbinodeMeadowparsnip, Meadow-parsnipPerennial1.2 4-9 MLMHSNM002

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

(L.) A. Gray

Botanical References

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