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Krigia biflora - (image 1 of 7)

Taxonomy

Family: Asteraceae

Habitat

Prairies, sandy black oak savanna, moist sand, ravine crests.

Associates

In prairies with Andropogon scoparius, Aster novae-angliae, Cirsium discolor, Comandra umbellata, Heuchera richardsonii, Hypoxis hirsuta, Oxypolis rigidior, Pedicularis canadensis, Phlox pilosa fulgida, Pycnanthemum virginianum, Rudbeckia hirta, Salix humilis, Silphium laciniatum, Silphium terebinthinaceum, Sisyrichium albidum, Tradescantia ohiensis, Zizia aurea.

Distribution

MA to GA, west to Manitoba, CO, AZ.

Morphology

Plants perennial, caulescent (with above ground stems). Leaves glabrous, glaucous; basal leaves variable, seem to be absent from this specimen; cauline leaf clasping. Flowers yellow to orange; disk flowers absent; heads 2 to several, the involucres 7mm or more high; pappus elements 20 or more.

Notes

Flowers early May to early July

Wetland indicator: Facultative Upland

Flower resembles a hawkweed. I am not certain of the ID because the basal leaves are largely missing, but the clasping cauline leaf looks right.

References

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

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