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Perideridia gairdneri - (Hook.&Arn.)Mathias.                
                 
Common Name Yampa, Gardner's yampah, Common yampah
Family Apiaceae or Umbelliferae
USDA hardiness Coming soon
Known Hazards None known
Habitats Woodland, dry and wet meadows and mountains[60].
Range Western N. America - Saskatchewan to California.
Edibility Rating  
Medicinal Rating  
Care
Well drained soil Moist Soil Wet Soil Semi-shade Full sun

Summary       

Physical Characteristics       
 icon of manicon of flower
Perideridia gairdneri is a PERENNIAL growing to 1.2 m (4ft). It is in flower from Apr to May, and the seeds ripen from May to July. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry moist or wet soil.

Synonyms
Carum gairdneri
Perideridia gairdneri Yampa, Gardner


Perideridia gairdneri Yampa, Gardner
www.flickr.com/photos/22837563@N08
   
Habitats
Woodland Garden Sunny Edge; Dappled Shade; Bog Garden; Cultivated Beds;
Edible Uses                                         
Edible Parts: Leaves;  Root.
Edible Uses: Condiment.

Root - raw or cooked[60, 61]. A pleasant sweet and nutty taste[2, 46, 95, 161], it can be eaten in quantity as a staple food[183]. It is best used when the plant is dormant[85]. The root can also be dried for later use or ground into a powder and used with cereals when making porridges, cakes etc[183]. The seed is used as a caraway-like seasoning, or can be parched and eaten in porridge or used as piƱole[85, 177, 183, 257]. Young leaves - raw or cooked[257].
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.

Carminative;  Diuretic;  Laxative;  Ophthalmic;  Pectoral;  Salve.

The root is carminative, diuretic, mildly laxative and ophthalmic[94, 257]. An infusion of the roots has been taken to counter the cathartic and emetic effects of another infusion[257]. An infusion of the roots has been applied as a wash to sores and wounds and also used as a nasal wash to get rid of catarrh[257]. A poultice of the roots has been used to draw inflammation from swellings[257]. The juice of the slowly chewed root is said to be beneficial in the treatment of sore throats and coughs[213, 257].
Other Uses
None known
Cultivation details                                         
We have very little information on the cultivation needs of this plant and do not know if it will be hardy in Britain. Judging by its native range it is likely to succeed outdoors in most parts of the country. From its native habitat it is assumed that the plant is fairly tolerant of soil conditions and of sun or shade. Yampa is a marvellous food plant that has been widely used as a staple wild food by native N. American Indians. It is just asking for cultivation in order to improve the root size[85].
                                                                                 
Propagation                                         
Seed - we have no information for this species but suggest sowing the seed in a cold frame as soon as it is ripe. Alternatively, sow it in early spring in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in the greenhouse for their first winter, planting out in late spring of the following year. Division may be possible in spring or autumn.
Related Plants                                         
Latin NameCommon NameEdibility RatingMedicinal Rating
Perideridia oreganaSquaw Potato, Oregon yampah30
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Expert comment                                         
 
      
Author                                         
(Hook.&Arn.)Mathias.
                                                                                 
Botanical References                                         
60
                                                                                 
Links / References                                         
For a list of references used on this page please go here
Readers comment                                         
 
Elizabeth H.
Steve Dupey Wed Nov 30 2005
Transplanted roots from wild to the garden grew three times their normal wild size under fertilized irrigated conditions. Growing from seed is said to take four years to achieve a useable size... cold striation required. Premliminary results suggest that cutting and replanting the tops with some length of the root is the best way to propagatate these plants and obtain an annual crop of roots. Rooting begins early in frosty cold soil conditions, and thus fall planting is recommended with seeds and root tops.
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Subject : Perideridia gairdneri  
             
                                        
                                                                                 
                                                                                 
   
 

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