familyOrobanchaceae
genusOrobanche
speciesOrobanche cooperi
subspeciesOrobanche cooperi subsp. latiloba
Orobanche cooperi subsp. latiloba
Phytoneuron 2015-48: 15. 2015.
Illustrated
Basionym: Orobanche ludoviciana var. latiloba Munz Bull. Torrey Bot. Club 57: 621, plate 39, fig. 18. 1931
Synonyms: Aphyllon cooperi subsp. latilobum (Munz) A. C. Schneider O. multicaulis Brandegee
Plants usually branched, base usually enlarged. Leaves rarely imbricate proximally; blade broadly lanceolate, 8–12 mm, apex obtuse. Inflorescences: bracts 7–11 mm, apex acuminate or obtuse, sometimes slightly reflexed. Corollas 22–32 mm; palatal folds densely villous; abaxial lip 5–9 mm, adaxial lip erect or reflexed, 6–10 mm, lobes with apiculate tooth. Anthers pubescent, stalked glands present on dorsal surface, rarely absent. Stigmas bilaminar-rhomboid, sometimes peltate or crateriform. 2n = 48, 96.
Phenology: Flowering Jan–Apr.
Habitat: Warm sandy deserts and dry washes of Sonoran Desert.
Elevation: -50–1000 m.
Distribution
Ariz., Calif., Nev., Mexico (Baja California, Baja California Sur, Sonora).
Discussion
Selected References
None.
Lower Taxa
None.