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Orthocarpus luteus
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Orobanchaceae
Genus: Orthocarpus

See text

Orthocarpus, or owl's-clover,[1] is a genus of flowering plants in the family Orobanchaceae. They are native to North America. A number of species formerly included in this genus have been transferred to the genus Castilleja, of the Indian paintbrush named plants.

Some animal species such as the Edith's checkerspot butterfly use these plants as hosts during ovipositioning.[2]


Species include:


  1. ^ "{{{taxon}}}". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 25 July 2015. 
  2. ^ Murphy; Launer, Ehrlich (1983). "The Role of Adult Feeding in Egg Production and Population Dynamics of the Checkerspot Butterfly Euphydryas editha". Oecologia. 56 (2): 257–263. doi:10.1007/bf00379699. 
  • "Genus: Orthocarpus Nutt.". Germplasm Resources Information Network (GRIN). United States Department of Agriculture, Agricultural Research Service, Beltsville Area. Retrieved 2008-03-01.