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Erythronium oregonum - Applegate.
                 
Common Name Giant White Fawnlily
Family Liliaceae
USDA hardiness 4-8
Known Hazards The bulbs have been suspected of poisoning poultry[256]. The following notes have also been seen for another member of this genus - skin contact with the bulbs has been known to cause dermatitis in sensitive people[65].
Habitats Open coniferous forests, rocky outcrops, oak woodlands and meadows from sea level to 500 metres[270].
Range Western N. America - Oregon to British Columbia.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Moist Soil Semi-shade

Summary

Erythronium oregonum Giant White Fawnlily


http://commons.wikimedia.org/wiki/User:Wsiegmund
Erythronium oregonum Giant White Fawnlily
http://commons.wikimedia.org/wiki/User:Wsiegmund
   
Physical Characteristics
 icon of manicon of bulb
Erythronium oregonum is a BULB growing to 0.5 m (1ft 8in) by 0.1 m (0ft 4in).
It is hardy to zone (UK) 5 and is not frost tender. It is in flower from Apr to May, and the seeds ripen from Jun to July. The flowers are hermaphrodite (have both male and female organs)Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland). It prefers moist soil.

Synonyms

Habitats
Woodland Garden Dappled Shade; Shady Edge; Lawn;
Edible Uses
Edible Parts: Root.
Edible Uses:

Bulb - raw, cooked or dried for later use[183, 257]. The bulb is from 25 - 60mm long[270]. Some caution should be employed, see the notes above on toxicity[256].
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.

Poultice.

The crushed corm is used as a poultice for boils[207, 257].
Other Uses
None known
Cultivation details
Prefers slightly acid soil conditions but succeeds in chalky soils if these contain plenty of humus[164]. Requires semi-shade, preferably provided by trees or shrubs, and a well-drained soil[42, 164]. Succeeds in almost any light soil, preferring one that is rich in humus[1]. Plants are hardy to about -15°c[90]. Flowers are produced in 3 - 4 years from seed[164]. Plants increase rapidly by offsets[188]. Bulbs should be planted about 7cm deep[1]. This species is closely related to E. revolutum and occasionally hybridizes with it where their ranges meet[270]. In addition, E. citrinum and E. hendersonii are reported to hybridize with E. oregonum in the southern part of its range[270]. This species is closely related to E. californicum[200].
Propagation
Seed - best sown as soon as it is ripe in a shady position in a cold frame. Water lightly in summer, it should germinate in autumn or winter[164, 200]. Stored seed requires a period of cold stratification[164]. Sow as early in spring as possible in a cold frame. Sow the seed thinly so that it will not be necessary to prick them out for their first year of growth. Give an occasional liquid feed to the seedlings to make sure that they do not become nutrient deficient. When the plants are dormant, pot up the small bulbs putting 2 - 3 bulbs in each pot. Grow them on in a shady position in the greenhouse for another 2 3 years and then plant them out into their permanent positions when they are dormant in late summer. Division of the bulbs in the summer as the leaves die down[1]. Larger bulbs can be replanted immediately into their permanent positions, but it is best to pot up smaller bulbs and grow them on in a shady position in a greenhouse for a year before planting them out when dormant in late summer.

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Other Names
Found In
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.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Erythronium albidumWhite Trout-Lily, White fawnlily30
Erythronium albidum mesochoreumPrairie Trout Lily30
Erythronium americanumTrout Lily, Dogtooth violet41
Erythronium californicumFawn Lily, California fawnlily20
Erythronium citrinumPale Fawn Lily, Cream fawnlily, Roderick's fawnlily20
Erythronium dens-canisDog's-Tooth Violet30
Erythronium grandiflorumAvalanche Lily, Yellow avalanche-lily31
Erythronium helenaeMt. St. Helena Fawm Lily, Pacific fawnlily20
Erythronium hendersoniiHenderson's Fawn Lily20
Erythronium howelliiHowell's Fawn Lily20
Erythronium japonicumKatakuri40
Erythronium montanumAvelanche Lily, White avalanche-lily20
Erythronium multiscapideumAdderstongue20
Erythronium purpurascensAvelanche Lily, Purple fawnlily20
Erythronium revolutumPink Fawn Lily, Mahogany fawnlily30
Erythronium tuolumnenseTuolumne Fawn Lily, Dog's Tooth Violet, Pagoda Lily20
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Botanical References
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Subject : Erythronium oregonum  

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