Species Details

Calystegia felix

lucky morning-glory

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Scientific Name:
Calystegia felix Provance & A.C. Sanders
Common Name:
lucky morning-glory
Family: Convolvulaceae
Element Code: PDCON040P0
USDA Plants Symbol: CAFE11
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G1Q
State Rank:
Other Status:
CRPR Changes:
changed from 3.1 to 1B.1 on 2017-12-11
added to 3.1 on 2014-07-16
Add Date: 2014-07-16
Date Edited: 2023-06-06
Lifeform: annual rhizomatous herb
Blooming Period: Mar-Sep
30 - 215 meters
100 - 705 feet
General Habitats:
  • Meadows and seeps (sometimes alkaline)
  • Riparian scrub (alluvial)
Microhabitat Details: Historically associated with wetland and marshy places, but possibly in drier situations as well. Possibly silty loam and alkaline
  • Alkaline (sometimes)
  • Loam (sometimes)
Discovered in Chino in 2011; originally identified as C. sepium ssp. binghamiae. All recent occurrences are in irrigated landscapes; historically known from natural wetlands and marshes. Historical occurrences in LAS Co. should be searched for; needs field surveys. Threatened by transmission line development, housing development, and urbanization. Potentially threatened by hydrological alterations, weeding, and herbicide application. Not in TJM (1993) or TJM 2. See MadroƱo 59(1):25-27 (2012) for information on discovery (as C. sepium ssp. binghamiae), and Phytokeys 32:1-26 (2013) for original description.
Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 6 60 %
Development 5 50%
Other 2 20%
Altered flood/tidal/hydrologic regime 1 10%
Biocides 1 10%
Total Occurrences: 10
Element Occurrence Ranks:
0 0 0 0 1 9
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 6
Presumed Extant 9
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), Riverside (RIV), San Bernardino (SBD)
Quads: Name (Quad Code)
Hollywood (3411813)*, Los Alamitos (3311871), Ontario (3411716), Prado Dam (3311786), Whittier (3311881)*
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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