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Summary
Barestem biscuitroot is a native perennial found across much of western North America, particularly in open woodlands, grasslands, and dry mountain habitats. Unlike some of the larger biscuitroots, it produces relatively slender roots but has a long history of traditional use by Indigenous peoples as both a food and medicinal plant. It is an early spring species, often flowering before surrounding vegetation has fully developed.
Physical Characteristics

Lomatium nudicaule is a PERENNIAL growing to 0.6 m (2ft) by 0.6 m (2ft in) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 5. It is in flower from April to July. 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) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor 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 and can tolerate drought.
UK Hardiness Map
US Hardiness Map
Synonyms
Ferula nudicaulis Nutt. Pastinaca nudicaulis (Nutt.) Spreng. Peucedanum nudicaule (Nutt.) Nutt. Smyrnium nudicaule Pursh.
Plant Habitats
Cultivated Beds;
Edible Uses
Edible Parts: Leaves Root Shoots Stem
Edible Uses: Tea
Barestem biscuitroot is a useful native edible with a long history of Indigenous use. Although its roots are generally smaller than those of the premier biscuitroot species, it remains a worthwhile spring food for experienced foragers who can identify members of the parsley family with complete confidence [2-3]. The roots are edible after cooking, and Native Americans traditionally gathered them. Like all members of the Lomatium genus, the roots should be soaked or cooked before consumption to reduce naturally occurring furanocoumarins. Correct identification is essential because Lomatium species closely resemble the deadly spotted hemlock (Conium maculatum) before fruits develop [2-3]. Edibility Rating: 3.5 out of 5 – An edible traditional food, although the roots are generally smaller and less productive than those of the larger biscuitroot species [2-3]. Taste and Preparation: The roots are starchy with the characteristic aromatic flavor of the parsley family. They were traditionally roasted, boiled, baked, or dried for storage. Cooking softens the roots and improves their flavor while reducing naturally occurring phototoxic compounds [2-3]. Seasonality (Phenology): Flowers from April to July, depending on elevation and local climate. Roots are best collected in spring, when the plants are actively growing. Traditional Uses: Several Indigenous peoples of western North America harvested the roots as a seasonal food. The plant also has a long history of traditional medicinal use, although those uses are distinct from its role as a food source [2-3]. Safety: Like all biscuitroots, barestem biscuitroot contains furanocoumarins, which may cause skin irritation or increased sensitivity to sunlight in susceptible individuals. Take great care to distinguish it from spotted hemlock, one of North America's most poisonous plants. Positive identification is essential before any wild harvesting [2-3]. Root - raw or cooked[207]. The taste is rather like a hot spicy parsnip[207]. The root can be roasted and used as a vegetable, or can be dried and ground into a powder then used as a flavouring in soups etc[105, 161]. Leaves and young shoots - eaten as a vegetable or used as a celery-like flavouring in soups etc[177, 183, 257]. The leaves, stems and flowers are infused and used as a beverage[161, 183, 257]. Seed - raw or cooked[257]. The immature seed is chewed as a refreshing snack and can be used as a flavouring in soups etc[257]. The vitamin C content of young plants is remarkably high, one cup providing more than the recommended daily allowance[183]. (the part of the plant is not referred to, it is probably the leaves)
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.
Analgesic Diaphoretic Febrifuge Laxative Pectoral Poultice Vitamin C
The seeds are analgesic, diaphoretic, febrifuge, laxative and pectoral[257]. They have been chewed in the treatment of fevers, colds and sore throats[257]. An infusion has been used by pregnant women to ensure an easy delivery[257]. A poultice of the crushed seeds has been applied to the head to relieve the pain of headaches[257]. The poultice has also been applied to sore places, pains and itches[257].
References More on Medicinal Uses
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Other Uses
Incense Repellent
The seed is spicy and aromatic, it is used as a house fumigant and deodorant. It also repels mosquitoes[99]. The small yellow flower clusters provide an early source of nectar and pollen for native bees, flies, and other pollinating insects.
Special Uses
Food Forest
References More on Other Uses
Cultivation details
Prefers well-drained sandy or rocky soils in full sun to light shade. It is well adapted to dry climates and survives extended summer drought through its perennial rootstock. Habitat: Occurs in grasslands, sagebrush communities, open pine and oak woodlands, rocky slopes, and mountain meadows throughout much of western North America. USDA Hardiness Zones: USDA Zones 4–8. Growth Rate: Moderate. Plants emerge early in spring from perennial roots before becoming dormant during the dry summer months. Mature Size: Typically grows 20–60 cm (8–24 in.) tall. Cultivation: Can be grown in well-drained native plant gardens with minimal summer irrigation. Like other biscuitroots, it develops a deep taproot and is difficult to transplant once established. Identification: Barestem biscuitroot is an upright perennial with finely divided, parsley-like basal leaves and mostly leafless flowering stems, giving rise to its common name. It produces compound umbels of small yellow flowers, followed by the flattened winged fruits characteristic of the Lomatium genus. Similar Species: May be confused with numerous other biscuitroots (Lomatium spp.), as well as immature spotted hemlock (Conium maculatum) and other members of the parsley family. Mature fruits are often necessary for reliable identification. Requires a sunny position in a fertile well-drained soil[188]. Plants are frost hardy[188]. 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
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
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Plant Propagation
Seed - best sown as soon as it is ripe in a cold frame[188]. 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[188]. Division may be possible in spring or autumn.
Other Names
If available other names are mentioned here
Barestem biscuitroot, Pestle Parsnip
Native Range
NORTHERN AMERICA: Canada, British Columbia, United States, Idaho, Oregon, Washington, California, Nevada, Utah,
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 tendency to become invasive.
Conservation Status
IUCN Red List of Threatened Plants Status : Not Listed.
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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Expert comment
Author
(Pursh) J.M. Coult. & Rose
Botanical References
60
Links / References
For a list of references used on this page please go here
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Subject : Lomatium nudicaule
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