Orobanche ludoviciana

Orobanche ludoviciana
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Lamiales
Family:	Orobanchaceae
Genus:	Orobanche
Species:	O. ludoviciana
Binomial name
	Orobanche ludoviciana; Nutt.

Orobanche ludoviciana, the Louisiana broomrape[1] or prairie broom-rape, is a species of plant in the family Orobanchaceae. This parasitic plant is not specific, but especially favors Artemisia and Asteraceae. They grow from 1-3 dm often without branches. Leaves are scales and numerous. The inflorescences are many-flowered spikes that occupy a half to a third of the shoot. Flowers sessile or with small up to 15mm pedicels for the lower flowers. Calyx subtended by 1 or 2 bracts, which are bilabiate. Corolla is 1.5-2.5 cm and often a violet-like color. 2n=24, 48, 72, 96. Inhabits sandy soil. Found in Illinois and Indiana, as well as Saskatchewan to Texas, and west to California and northern Mexico. Found from June through August.[2] Enlisted as endangered in Wisconsin and threatened in Illinois and Indiana.

References

"Orobanche ludoviciana". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 26 April 2016.
Gleason & Cronquist (1991). Manual of Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden.

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[1] "Orobanche ludoviciana". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 26 April 2016.

[2] Gleason & Cronquist (1991). Manual of Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden.