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Allium macropetalum - Rydb.                
                 
Common Name Largeflower Wild Onion
Family Alliaceae
Synonyms A. deserticola. (Jones)Woot. & Standl.
Known Hazards Although no individual reports regarding this species have been seen, there have been cases of poisoning caused by the consumption, in large quantities and by some mammals, of certain members of this genus. Dogs seem to be particularly susceptible[76].
Habitats Desert plains and hills at elevations of 300 to 2500 metres[270].
Range South-western N. America - Colorado, Utah, Arizona, Texas and New Mexico.
Edibility Rating  
Medicinal Rating  
Care
Fully Hardy Moist Soil Full sun

Summary       

Physical Characteristics       
 icon of manicon of bulb
Allium macropetalum is a BULB growing to 0.3 m (1ft).
It is hardy to zone 5. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, insects.

USDA hardiness zone : Coming soon


Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist soil.

Allium macropetalum Largeflower Wild Onion


http://www.swcoloradowildflowers.com/
Allium macropetalum Largeflower Wild Onion
http://www.swcoloradowildflowers.com/
   
Habitats       
 Cultivated Beds;
Edible Uses                                         
Edible Parts: Flowers;  Leaves;  Root.
Edible Uses:

Bulb - raw or cooked[161, 257]. They can be dried and stored for winter use[257]. The North American Indians would singe the bulb to reduce the strong flavour and then eat it immediately or dry it for later use[257]. Leaves - raw or cooked. Flowers - raw. Used as a garnish on salads.
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.



Although no specific mention of medicinal uses has been seen for this species, members of this genus are in general very healthy additions to the diet. They contain sulphur compounds (which give them their onion flavour) and when added to the diet on a regular basis they help reduce blood cholesterol levels, act as a tonic to the digestive system and also tonify the circulatory system[K].
Other Uses
Repellent.

The juice of the plant is used as a moth repellent. The whole plant is said to repel insects and moles[20].
Cultivation details                                         
Prefers a sunny position in a light well-drained soil[1]. The bulbs should be planted fairly deeply[1]. Most members of this genus are intolerant of competition from other growing plants[203]. Grows well with most plants, especially roses, carrots, beet and chamomile, but it inhibits the growth of legumes[18, 20, 54]. This plant is a bad companion for alfalfa, each species negatively affecting the other[201]. Members of this genus are rarely if ever troubled by browsing deer[233].
                                                                                 
Propagation                                         
Seed - sow spring in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle - if you want to produce clumps more quickly then put three plants in each pot. Grow them on in the greenhouse for at least their first winter and plant them out into their permanent positions in spring once they are growing vigorously and are large enough. Division in spring. The plants divide successfully at any time in the growing season, pot up the divisions in a cold frame or greenhouse until they are growing well and then plant them out into their permanent positions.
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Expert comment                                         
 
      
Author                                         
Rydb.
                                                                                 
Botanical References                                         
200270
                                                                                 
Links / References                                         

  [K] Ken Fern Notes from observations, tasting etc at Plants For A Future and on field trips.

[1]F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).
[18]Philbrick H. and Gregg R. B. Companion Plants.
Details of beneficial and antagonistic relationships between neighbouring plants.
[20]Riotte. L. Companion Planting for Successful Gardening.
Fairly good.
[54]Hatfield. A. W. How to Enjoy your Weeds.
Interesting reading.
[161]Yanovsky. E. Food Plants of the N. American Indians. Publication no. 237.
A comprehensive but very terse guide. Not for the casual reader.
[201]Allardice.P. A - Z of Companion Planting.
A well produced and very readable book.
[203]Davies. D. Alliums. The Ornamental Onions.
Covers about 200 species of Alliums. A very short section on their uses, good details of their cultivation needs.
[233]Thomas. G. S. Perennial Garden Plants
A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
[257]Moerman. D. Native American Ethnobotany
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
[270] Flora of N. America
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.

Readers comment                                         
 
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Subject : Allium macropetalum  
             

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