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Lomatium bicolor - (S.Watson) J.M.Coult. & Rose

Common Name Wasatch springparsley
Family Apiaceae
USDA hardiness 4-8
Known Hazards Like other members of the Lomatium genus, Wasatch springparsley contains furanocoumarins, which can cause skin irritation or photosensitivity in susceptible individuals. It should always be positively identified before harvesting because white-flowered members of the parsley family can resemble the deadly spotted hemlock (Conium maculatum)
Habitats Open woodland, rocky slopes, and mountain meadows
Range Northern Utah and Nevada, with a distribution extending into parts of Arizona, New Mexico, Colorado, California, Oregon, and Washington.
Edibility Rating    (4 of 5)
Other Uses    (1 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care (info)
Fully Hardy Moist Soil Semi-shade Full sun
Lomatium bicolor Wasatch springparsley


aspidoscelis. Creative Commons Zero, Public Domain Dedication
Lomatium bicolor Wasatch springparsley
aspidoscelis. Creative Commons Zero, Public Domain Dedication

 

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Summary

Wasatch springparsley is a native perennial of the mountains of northern Utah and Nevada. It is one of the better edible members of the biscuitroot (Lomatium) genus, producing thick, starchy roots with a pleasant parsnip-like flavour and tender aromatic leaves that can also be eaten. Although it resembles several other biscuitroots, it is generally considered superior in flavour. Like all members of the genus, however, careful identification is essential because some white-flowered members of the parsley family resemble the highly poisonous spotted hemlock.


Physical Characteristics

 icon of manicon of flower
Lomatium bicolor is a PERENNIAL growing to 0.6 m (2ft) by 0.2 m (0ft 8in) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 5. The flowers are pollinated by Insects.
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 moist soil and can tolerate drought.

UK Hardiness Map US Hardiness Map

Synonyms

Homotypic Synonyms: Cogswellia bicolor (S.Watson) M.E.Jones. Peucedanum bicolor S.Watson. Heterotypic Synonyms: Peucedanum bicolor var. gumbonis M.E.Jones.

Plant Habitats

Edible Uses

Wasatch spring parsley is one of the finest edible members of the Lomatium genus. Its thick, parsnip-like roots and tender aromatic foliage make it a valuable traditional food plant, particularly in the mountains of northern Utah and Nevada. While it deserves recognition as an excellent wild edible, only experienced foragers should harvest it because it can be confused with poisonous members of the parsley family [2-3]. The roots, leaves, and young flowers are edible. The roots are the most valuable food source, while the leaves and flowers can be eaten fresh or cooked. Cooking improves the flavor of all edible parts. As with all Lomatium species, soaking or cooking helps reduce naturally occurring phototoxic compounds [2-3]. Edibility Rating: 4 out of 5 – A high-quality edible biscuitroot with good-tasting roots and useful leafy growth, although correct identification is essential [2-3]. Taste and Preparation: The roots are thick, white inside with dark brown skins, and have a mild, starchy flavor similar to parsnips with only a slight aromatic character. Peeling the skins further improves the flavor. The texture is chewy and somewhat fibrous but softens considerably after boiling. The leaves and flowers are tender, aromatic, and suitable for salads or cooked as potherbs. Cooking enhances the flavor of all edible parts. Seasonality (Phenology): Leaves emerge in early spring, with flowering occurring in spring. Harvest the roots while the plants are actively growing, before the foliage dies back [2-3]. Traditional Uses: Although not as widely documented as some other biscuitroots, Wasatch springparsley was traditionally gathered as a food plant in parts of its range. The nutritious roots provided an important early-season carbohydrate source [2-3]. Safety: Like other members of the Lomatium genus, Wasatch springparsley contains furanocoumarins, which can cause skin irritation or photosensitivity in susceptible individuals. It should always be positively identified before harvesting because white-flowered members of the parsley family can resemble the deadly spotted hemlock (Conium maculatum). Cooking or soaking helps reduce water-soluble phototoxic compounds [2-3].

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.


Lomatium bicolor shares traditional and potential medicinal properties with other members of the Lomatium genus, such as Lomatium dissectum. Traditional and Herbal Uses: Respiratory Support: Indigenous peoples and herbalists historically used Lomatium roots to treat coughs, colds, bronchitis, and influenza. Antimicrobial Claims: Herbal preparations are reputed to have broad-spectrum antiviral and antibacterial properties. Topical Applications: Crushed roots or decoctions were sometimes applied externally as washes for skin sores, cuts, and rashes. Scientific Context and Side Effects: Lack of Clinical Evidence: While certain extracts show antimicrobial activity in laboratory (in vitro) settings, there are no robust human clinical trials proving efficacy for specific medical conditions. Known Side Effects: Whole-root preparations of Lomatium can trigger a harmless yet uncomfortable, whole-body itchy rash in some individuals

References   More on Medicinal Uses

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Other Uses

The early yellow flower clusters provide nectar and pollen for native bees, flies, and other early-season pollinators. The foliage is occasionally browsed by wildlife.

Special Uses

References   More on Other Uses

Cultivation details

Prefers well-drained soils in cool mountain climates. It grows best in open woodland, on rocky slopes, and in mountain meadows, with full sun to light shade. Habitat: Found primarily in the mountains of northern Utah and Nevada, with a distribution extending into parts of Arizona, New Mexico, Colorado, California, Oregon, and Washington. USDA Hardiness Zones: USDA Zones 4–8. Growth Rate: Moderate. Plants emerge early each spring and develop slowly from perennial roots. Mature Size: Typically 20–60 cm (8–24 in.) tall. Cultivation: Prefers full sun and well-drained soils. Once established, it is drought-tolerant but dislikes frequent disturbance because of its deep taproot. Identification: Wasatch springparsley is a perennial herb with finely divided leaves arising from a thick taproot and compound umbels of small flowers. It resembles fernleaf biscuitroot but has noticeably different leaf structure. Like other Lomatium species, the flattened winged fruits are important identification features. Pasted text.txtTXT Similar Species: It resembles other biscuitroots (Lomatium spp.), particularly fernleaf biscuitroot (Lomatium dissectum), but has more palatable roots and distinctive leaf characteristics. It may also be confused with members of the parsley family, including spotted hemlock, making careful identification essential.

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Plant Propagation

Usually propagated from seed, which benefits from a period of cold stratification before germination.

Other Names

If available other names are mentioned here

Bicolor biscuitroot.

Native Range

US. USA. Idaho, Utah, Wyoming.

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.

Low. This is a native perennial with no tendency to spread aggressively.

Conservation Status

IUCN Red List of Threatened Plants Status : Not listed.

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Lomatium ambiguumWyeth BiscuitrootPerennial0.6 4-8 MLMHNDM411
Lomatium canbyiBiscuitroot, Canby's biscuitrootPerennial0.0 0-0  LMHNDM40 
Lomatium cousCous biscuitroot, BiscuitrootPerennial0.6 4-8 MLMHNDM501
Lomatium dissectumCarrotleaf biscuitroot, Fernleaf BiscuitrootPerennial1.0 4-8 MLMHNDM222
Lomatium eurycarpum Perennial0.0 -  LMHNDM20 
Lomatium farinosumNorthern Biscuitroot, Hamblen's biscuitrootPerennial0.0 0-0  LMHNDM30 
Lomatium foeniculaceumDesert BiscuitrootPerennial0.5 5-9 MLMNDM501
Lomatium gayeriBiscuitrootPerennial0.5 -  LMHNDM40 
Lomatium gormaniiGorman's biscuitrootPerennial0.2 0-0  LMHNDM30 
Lomatium grayiGray's biscuitrootPerennial0.7 4-8 MLMHNDM401
Lomatium macrocarpumBigseed BiscuitrootPerennial0.6 4-8 MLMHNDM522
Lomatium nevadenseNevada biscuitrootPerennial0.6 4-8 MLMNDM421
Lomatium nudicauleBarestem biscuitroot, Pestle ParsnipPerennial0.6 4-8 MLMSNDM422
Lomatium simplexSimple BiscuitrootPerennial0.6 4-8 MLMNDM422
Lomatium triternatumNineleaf BiscuitrootPerennial0.7 4-8 MLMNDM412
Lomatium utriculatumCommon LomatiumPerennial0.0 -  LMHNDM31 

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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(S.Watson) J.M.Coult. & Rose

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