Taxon Summary

Antirrhinum ovatum, commonly known as oval-leaved snapdragon, is a annual herb in the Plantaginaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Pinyon and juniper woodland, and Valley and foothill grassland, growing at elevations from 200 to 1000 meters. Antirrhinum ovatum is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification


Scientific Name:	Antirrhinum ovatum Eastw.
Common Name:	oval-leaved snapdragon
Family:	Plantaginaceae
Element Code:	PDSCR2K010
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: May-Nov	May-Nov
Elevation:	200-1000 (655-3280)
General Habitats:	Chaparral, Cismontane woodland, Pinyon and juniper woodland, Valley and foothill grassland
Microhabitat:	Alkaline (often), Clay (sometimes)
Microhabitat Details:	sometimes gypsum

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	16
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	1
Unknown (U)	15

Location


California Endemic: True
California Counties and Islands: Name (Code)
Fresno (FRE), Kern (KRN), Monterey (MNT), San Benito (SBT), San Luis Obispo (SLO), Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
Apache Canyon (3411973), Ballinger Canyon (3411984), Bates Canyon (3411988), Blackwells Corner (3511957), Caliente Mtn. (3511917), California Valley (3512031), Camatta Canyon (3512053), Carneros Rocks (3511947), Chimineas Ranch (3511928), Cholame (3512063), Cholame Hills (3512074), Cholame Valley (3512073), Cuyama Peak (3411974), Elkhorn Hills (3511915), Estrella (3512065), Hepsedam Peak (3612037), Hernandez Reservoir (3612047), Holland Canyon (3512052), La Panza NE (3512041), Las Yeguas Ranch (3511948), Lonoak (3612038), McKittrick Summit (3511937), Orchard Peak (3512062), Packwood Creek (3512051), Painted Rock (3511927), Panorama Hills (3511926), Paso Robles (3512066), Peak Mountain (3411987), Priest Valley (3612026), Rock Spring Peak (3612048), San Benito Mtn. (3612036), Shale Point (3511958), Simmler (3511938), Taylor Canyon (3511918), Tent Hills (3512072), The Dark Hole (3512083), Wells Ranch (3511916)

Threat List Data from the CNDDB


Threat List Total:	5
EOs with Threat Listed:	Total EOs	% of EOs
	3	19 %
Grazing	3	18%
Non-native plant impacts	1	6%
Road/trail construction/maint.	1	6%
Agriculture	1	6%
Development	1	6%

Notes



Appears only in favorable years. Threatened by grazing and vehicles. See Bulletin of the Torrey Botanical Club 32:213 (1905) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 4 April 2025].

Taxon Report

Antirrhinum ovatum Eastw.

oval-leaved snapdragon