Comandra umbellata (L.) Nutt. - False Toadflax


 

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Comandra umbellata - (image 1 of 7)

 

Taxonomy

Family: Santalaceae

Habitat

Oak savanna, dune, prairie and prairie fens.

Associates

In sandy soil found with Andropogon scoparius, Arabis lyrata, Aster azureus, Arctostaphylos uva-ursi, Euphorbia corollata, Liatris aspera, Phlox pilosa, Tradescantia ohioensis.

Distribution

Various subspecies cover most of North America.

Morphology

Simple or branched perennial to 40 cm. Leaves oblong, subopposite, lighter on the underside. Flowers small, perfect, epigynous, in compact, terminal, cymose-paniculiform inflorescence; petals lacking (?); sepals (tepals?) 5, white to greenish; hypanthium well developed.    

Notes

Flowers late April into July

Wetland indicator: Facultative Upland

Semi-parasitic on the roots of other plants. The flowers seem to attract eastern tailed-blues (Everes comyntas). These little gems rub their hind wings together continuously when at rest (image 7), which made getting the first picture a real challenge.

References

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 2004