Linum medium (Planch.) Britton - Small Yellow Flax


 

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Linum medium - (image 1 of 3)

 

Taxonomy

Family: Liaceae

Habitat

Sandy flats, calcareous pond shores near Lake Michigan.

Associates

Agalinis purpurea, Aster dumosus, Carex viridula, Cladium mariscoides, Gentiana crinita, Hypericum kalmianum, Juncus balticus littoralis, Lobelia kalmii, Lythrum alatum, Panicum virgatum, Rhynchospora capillacea, Sabatia angularis, Salix glaucophylloides, Spiranthes cernua, Tofieldia glutinosa, Tiglochin maritima.

Distribution

 

Morphology

Small herbaceous annual (perennial?). Leaves alternate, eglandular. Flowers yellow; 5-parted; outer sepals entire, inner sepals strongly glandular-ciliolate. Fruit a capsule, depressed, up to 2mm high.

Notes

Flowers mid June to early October.

Wetland indicator: Facultative wetland in the Chicago region. Upland or facultative upland elsewhere.

This particular photograph is of the variety L. medium (Planch.) Britton var. texanum (Planch.) Fern. I just couldn't fit all that at the top of the page!

 

Bibliography

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 2005