Orobanche cooperi subsp. latiloba

(Munz) L. T. Collins

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
Treatment appears in FNA Volume 17. Treatment on page 485. Mentioned on page 479, 484.
Revision as of 20:10, 16 December 2019 by FNA>Volume Importer

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.
L. Turner Collins +, Alison E. L. Colwell +  and George Yatskievych +
(Munz) L. T. Collins +
Orobanche ludoviciana var. latiloba +
Ariz. +, Calif. +, Nev. +, Mexico (Baja California +, Baja California Sur +  and Sonora). +
-50–1000 m. +
Warm sandy deserts and dry washes of Sonoran Desert. +
Flowering Jan–Apr. +
Phytoneuron +
Illustrated +
Aphyllon cooperi subsp. latilobum +  and O. multicaulis +
Orobanche cooperi subsp. latiloba +
Orobanche cooperi +
subspecies +