Taxon Report

Convolvulus simulans Perry

small-flowered morning-glory

Print Report

Classification


Scientific Name:	Convolvulus simulans Perry
Common Name:	small-flowered morning-glory
Family:	Convolvulaceae
Element Code:	PDCON05060
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Mar-Jul	Mar-Jul
Elevation:	30-740 (100-2430)
General Habitats:	Chaparral, Coastal scrub, Valley and foothill grassland
Microhabitat:	Clay, Seeps, Serpentine
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G4
State Rank:	S4
State List:	None
Fed List:	None
Other Status:	SB_CRES
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Alameda (ALA), Contra Costa (CCA), Fresno (FRE), Kern (KRN), Los Angeles (LAX), Merced (MER), Monterey (MNT), Orange (ORA), Riverside (RIV), San Benito (SBT), San Bernardino (SBD), San Diego (SDG), San Luis Obispo (SLO), Santa Barbara (SBA), Santa Clara (SCL), Stanislaus (STA), Tulare (TUL), Ventura (VEN)
Quads: Name (Quad Code)
Alberhill (3311764), Alpine (3211677), Antioch North (3812117), Antioch South (3712187), Bachelor Mtn. (3311751), Bena (3511836), Burbank (3411823), Byron Hot Springs (3712176), Calabasas (3411826), Canada Gobernadora (3311755), Carpinteria (3411945), Casmalia (3412075), Cholame (3512063), Cholame Valley (3512073), Chounet Ranch (3612066), Crevison Peak (3712122), Del Mar (3211782), Dulzura (3211667), El Cajon (3211678), Encinitas (3311713), Escondido (3311711), Estrella (3512065), Fallbrook (3311743), Greenfield (3612132), Guadalupe (3412085), Hollywood (3411813), Imperial Beach (3211751), Jamul Mountains (3211668), Knob Hill (3511858), La Habra (3311788), La Jolla (3211772), La Mesa (3211771), La Panza NE (3512041), Lake Elsinore (3311763), Lake Mathews (3311774), Las Pulgas Canyon (3311734), Lindsay (3611921), Little Pine Mtn. (3411956), Los Olivos (3412061), Matilija (3411943), Merced (3712034), Midway (3712165), Morro Hill (3311733), Murrieta (3311752), National City (3211761), Newbury Park (3411828), Oiler Peak (3511835), Otay Mesa (3211658), Panoche (3612057), Pastoria Creek (3411887), Piedra (3611974), Pinalito Canyon (3612131), Pine Flat Dam (3611973), Pine Mountain (3511857), Point Mugu (3411911), Point Sal (3412086), Poway (3211781), Prado Dam (3311786), Rancho Santa Fe (3311712), Redlands (3411712), Redondo Beach (3311874), Romoland (3311762), Sage (3311658), San Clemente (3311745), San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873), San Jose East (3712137), San Juan Capistrano (3311756), San Luis Rey (3311723), San Marcos (3311722), San Pasqual (3311618), San Pedro (3311863), San Vicente Reservoir (3211688), Santa Barbara (3411946), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Cruz Island A (3311987), Santiago Peak (3311765), Simi (3411837), Solyo (3712153), Steele Peak (3311773), Success Dam (3611818), Taylor Canyon (3511918), Tejon Hills (3511817), Tejon Ranch (3511816), Tent Hills (3512072), Thousand Oaks (3411827), Torrance (3311873), Tumey Hills (3612056), Tustin (3311767), Vail Lake (3311648), Wahtoke (3611964), Wildomar (3311753), Zaca Lake (3412071)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



Rare in southern CA. Threatened by development and vehicles. Possibly threatened by non-native plants. See Rhodora 33:76 (1931) 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 5 January 2025].