Allium macropetalum - Largeflower Wild Onion

Famille: Alliaceae, Genre: Allium
Bulbe (0.25m de haut).

Habitat

Exposition
Plein soleil
Humidité
Humidité moyenne.
Sol
Sol léger à moyen. Nécessite un sol drainant.
pH
Sol acide ou calcaire
Rusticité
Zone 5
Habitat originel
300 to 2100 metres in Arizona.
Origine géographique
South-western N. America - Colorado, Utah, Arizona, Texas and New Mexico.

Dangers connus

  • 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 .
  • Les chiens semblent particulièrement sensibles [76].

Comestibilité

  • Bulbe - cru ou cuit [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].
  • Feuilles - crues ou cuites .
  • Fleurs - crues .
  • utilisé en garniture ou salade .

Usages médicinaux

  • même si aucune mention spécifique d'usage médical a été fait pour cette espère, les membres de ce genre sont généralement très employé dans les régimes .
  • 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].

Autres usages

  • Le jus de la plante est utilisé pour repousser les mites .
  • Toute la plante est censée repousser les insectes et les taupes [20].

Culture

  • Prefers a sunny position in a light well-drained soil [1].
  • Les bulbes doivent être plantés assez profondément [1].
  • Most members of this genus are intolerant of competition from other growing plants [203].
  • Pousse bien avec la plupart des plantes, notamment les roses, carrottes, betteraves et camomille, mais inhibe la croissance des légumes [18, 20, 54].
  • La plante est un mauvais compagnon pour la luzerne, chaque espèce affectant l'autre négativement [201].
  • Les membres de ce genre sont rarement (ou jamais) incommodés par le broutage des cerfs. [233].

Propagation

  • Graine - Semez au printemps sous un chassis .
  • 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 .
  • Cultivez les sous serre durant au moins leur premier hiver et plantez les à leur position définitive au printemps, une fois qu'elles poussent vigoureusement et sont suffisamment développées .
  • Division au printemps .
  • 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 .

Pollinisation

Type de fleur
Hermaphrodite (les fleurs ont des organes mâles et femelles)
Auto-fertile
Non
Pollinisateurs
Abeilles, insectes

Divers

Pollution
Non
Autres réferences
[200]

Réferences

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 1951.
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. 1979.
Details of beneficial and antagonistic relationships between neighbouring plants.
[20] Riotte. L. Companion Planting for Successful Gardening. 1978.
Fairly good.
[54] Hatfield. A. W. How to Enjoy your Weeds. 1977.
Interesting reading.
[76] Cooper. M. and Johnson. A. Poisonous Plants in Britain and their Effects on Animals and Man. 1984.
Concentrates mainly on the effects of poisonous plants to livestock.
[161] Yanovsky. E. Food Plants of the N. American Indians. Publication no. 237.
A comprehensive but very terse guide. Not for the casual reader.
[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. 1992.
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
[201] Allardice.P. A - Z of Companion Planting. 1993.
A well produced and very readable book.
[203] Davies. D. Alliums. The Ornamental Onions. 1992.
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 1990.
A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
[257] Moerman. D. Native American Ethnobotany 1998.
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.