Pseudorontium

Pseudorontium is a genus of flowering plants with one species, Pseudorontium cyathiferum (syn. Antirrhinum cyathiferum), a New World snapdragon known by the common names dog's-mouth[2] and Deep Canyon snapdragon. It is native to the deserts of northern Mexico and adjacent California and Arizona. It is an annual herb producing a hairy, erect, non-climbing stem with many oval-shaped leaves. The solitary flowers are dark-veined deep purple and white, often with some yellow in the throat, and are about a centimeter long. Previously considered to belong among the New World Antirrhinum species, it is now considered the sole member of the related genus Pseudorontium.[3]

Pseudorontium
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Plantaginaceae
Tribe: Antirrhineae
Genus: Pseudorontium
(A. Gray) Rothm. (1943)
Species:
P. cyathiferum
Binomial name
Pseudorontium cyathiferum
(Benth.) Rothm. (1943)
Synonyms[1]
  • Antirrhinum cyathiferum Benth. (1844)
  • Antirrhinum chytrospermum A.Gray (1877)

References

  1. Pseudorontium cyathiferum (Benth.) Rothm. Plants of the World Online. Retrieved 15 May 2024.
  2. USDA, NRCS (n.d.). "Pseudorontium cyathiferum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 October 2015.
  3. Oyama, Ryan K.; Baum, David A. (2004). "Phylogenetic relationships of North American Antirrhinum (Veronicaceae)". American Journal of Botany. 91 (6): 918–925. doi:10.3732/ajb.91.6.918. PMID 21653448.
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