Lilium philadelphicum L. - Wood Lily


 

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Lilium philadelphicum - (image 1 of 4)

 

Taxonomy

Family: Liliaceae

Habitat

Prairies. Dry, open woods.

Associates

 

Distribution

Most of the northeastern U.S. and southern Canada for var. philadelphicum, and much of the Midwest for var. andinum (Nutt.) Ker Gawl.

Morphology

Erect, herbaceous perennial to almost 1 m high. Leaves narrowly lanceolate, in whorls of 4-7,  to 10 cm long. Flowers erect, orange-red with darker spots near the base of the 6 tepals. Fruit a capsule.

Notes

Flowers mid June to July.

Wetland indicator: Facultative -

The plants pictures on this page are var. andinum, which has mostly alternate leaves except for the uppermost whorl, and occurs in meadows and along shores in the Midwest. In the Chicago region it is rare but most frequent around dune swale margins that occasionally burn. The typical species seems to prefer more upland habitats.

 

Bibliography

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY.

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 


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 Michael Hough 2009