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Lomatium macrocarpum - (Nutt.)Coult.&Rose.

Common Name Bigseed Biscuitroot
Family Apiaceae
USDA hardiness 4-8
Known Hazards Like all members of the Lomatium genus, bigseed biscuitroot contains furanocoumarins, compounds capable of causing skin irritation and photosensitivity in susceptible individuals. Great care should be taken to distinguish it from spotted hemlock (Conium maculatum).
Habitats Open rocky hills and plains, not extending much into the mountains[60].
Range Western N. America - British Columbia to California.
Edibility Rating    (5 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care (info)
Fully Hardy Well drained soil Moist Soil Full sun
Lomatium macrocarpum Bigseed Biscuitroot


http://commons.wikimedia.org/wiki/User:Wsiegmund
Lomatium macrocarpum Bigseed Biscuitroot
http://commons.wikimedia.org/wiki/User:Wsiegmund

 

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Summary

Bigseed biscuitroot is a native perennial of the northern Intermountain Region and the Pacific Northwest. It produces large, thickened tuberous roots that were highly valued by numerous Native American groups as an important food source. Although it occurs only near the northern limits of the Southwest, it is regarded as one of the better edible members of the Lomatium genus because of its substantial, nutritious roots.


Physical Characteristics

 icon of manicon of flower
Lomatium macrocarpum is a PERENNIAL growing to 0.6 m (2ft) by 0.3 m (1ft in) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 5. It is in flower from April to May. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.

UK Hardiness Map US Hardiness Map

Synonyms

Cogswellia macrocarpa (Nutt. ex Torr. & A.Gray) M.E.Jones. Peucedanum macrocarpum Nutt. ex Torr. & A.Gray.

Plant Habitats

 Cultivated Beds;

Edible Uses

Edible Parts: Root  Seed
Edible Uses: Tea

Bigseed biscuitroot is among the premier edible members of the Lomatium genus. Its large, nutritious tuberous roots earned it an important place in the traditional diets of many Indigenous peoples of the Intermountain West. Although it is uncommon within the Southwest itself, it remains one of the most valuable native root vegetables of western North America for experienced foragers who can identify it with confidence [2-3]. The roots, young stems, and leaves are edible, although the roots are by far the most valuable food source. As with all members of the Lomatium genus, soaking or cooking is recommended to reduce naturally occurring phototoxic compounds. Positive identification is essential because Lomatium species can resemble the deadly spotted hemlock before fruit develops [2-3]. Edibility Rating: 5 out of 5 – One of the finest edible biscuitroots, producing large, nutritious tuberous roots that were traditionally an important Indigenous food [2-3]. Taste and Preparation: People traditionally cooked the thickened tuberous roots fresh, roasted, boiled, baked, or dried for later use. While the supplied reference does not provide a detailed flavor description, the roots were sufficiently nutritious and palatable to become an important staple food for numerous Native American peoples. Like other high-quality biscuitroots, peeling before cooking is likely to improve flavor and texture [2-3]. Seasonality (Phenology): Plants flower from April to May. Roots are best harvested during spring while the plants are actively growing before summer dormancy. Traditional Uses: Bigseed biscuitroot was an important traditional food throughout the northern Intermountain Region and Pacific Northwest. Numerous Native American groups highly regarded its large tuberous roots, which were gathered as a dependable spring carbohydrate source [2-3]. Safety: Like all members of the Lomatium genus, bigseed biscuitroot contains furanocoumarins, compounds capable of causing skin irritation and photosensitivity in susceptible individuals. Great care should be taken to distinguish it from spotted hemlock (Conium maculatum) and other similar members of the parsley family. Cooking or soaking helps reduce water-soluble phototoxic compounds [2-3]. Root - raw or cooked[257]. A staple food for a number of native North American Indian tribes[257]. The root is usually peeled before being cooked or eaten[257]. It can be dried and ground into a powder and then used to make cakes etc[105, 161, 183]. Seed - raw or cooked. Very nutritious, they can also be ground into a powder[183] and then used with cereal flours when making bread, cakes etc, or be used as a flavouring in soups etc[257]. The seed is very small, but quite easy to harvest[183, K]. A tea can be made from the leaves, stems and flowers[183].

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.
Infertility  Pectoral  Poultice  Sedative  Tonic

An infusion of the roots has been used as a general strengthener for a weakened patient[257]. The infusion is also used as a treatment for colds, influenza and bronchitis[257]. The root has been chewed and the juice swallowed as a treatment for sore throats[257]. The root has been eaten by childless couples, especially older people, in order to help them conceive[257]. A poultice made from the boiled root has been used to treat swellings[257]. The leaves have been used as a padding in a child's cradle to encourage it to sleep more[257].

References   More on Medicinal Uses

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Other Uses

Incense

The root has been dried then burnt as a ceremonial incense[257]. The yellow flower clusters provide nectar and pollen for native bees, flies, and other early-season pollinating insects. The foliage may also be browsed by native herbivores.

Special Uses

Food Forest

References   More on Other Uses

Cultivation details

Prefers dry, open habitats with well-drained soils. It thrives on rocky hillsides, plains, and open grasslands in cool temperate climates. Habitat: Found primarily in the northern Intermountain Region and the northwestern United States, especially on open rocky hillsides and plains. USDA Hardiness Zones: USDA Zones 4–8. Growth Rate: Moderate. Plants emerge early in spring from perennial tuberous roots before becoming dormant during the warmer months. Mature Size: Typically 20–60 cm (8–24 in.) tall. Cultivation: Best grown in full sun with sharply drained soils. Like other biscuitroots, it develops a deep perennial root system and dislikes disturbance after establishment. Identification: Bigseed biscuitroot is a perennial herb with finely divided leaves, compound umbels of small flowers, and prominently thickened tuberous roots. It is a white-flowered species that typically blooms during spring and later develops the flattened winged fruits characteristic of the Lomatium genus [2-3]. Similar Species: It resembles other biscuitroots (Lomatium spp.), particularly Nevada biscuitroot and Great Basin biscuitroot. Before the fruit develops, inexperienced foragers may also confuse it with spotted hemlock, so careful identification is essential. This is a taxonomically very difficult genus; many of the species now included in it have at times been included in other genera[60]. 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].

References   Carbon Farming Information and Carbon Sequestration Information

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Plant Propagation

Seed - best sown as soon as it is ripe in a cold frame. Stored seed can be rather slow to germinate, when sown in the spring it usually takes at least 12 months to germinate. Giving it a period of cold stratification might reduce this time. The seedlings need to be pricked out into individual pots as soon as they are large enough to handle, and should be planted out into their permanent positions in the summer. Fresh seed can be sown immediately in situ. Division may be possible in spring or autumn.

Other Names

If available other names are mentioned here

Bigseed lomatium, Biscuit root, Bigseed biscuitroot.

Native Range

NORTHERN AMERICA: Canada, Saskatchewan (south), Alberta (south), Manitoba (south), British Columbia (south), United States, North Dakota (north & west), South Dakota (Harding Co.), Colorado (n.?), Idaho, Montana, Oregon, Washington, Wyoming, California, Utah (north),

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. A native perennial with no invasive tendencies.

Conservation Status

IUCN Red List of Threatened Plants Status : Not Listed.

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Lomatium ambiguumWyeth BiscuitrootPerennial0.6 4-8 MLMHNDM411
Lomatium bicolorWasatch springparsleyPerennial0.6 4-8 MLMHSNM421
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 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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Author

(Nutt.)Coult.&Rose.

Botanical References

60

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