Taxon Report

Rhinotropis cornuta (Kellogg) J. R. Abbott var. fishiae (Parry) J. R. Abbott

Fish's milkwort

Print Report



Species Description:
Rhinotropis cornuta var. fishiae, commonly known as Fish's milkwort, is a perennial deciduous shrub in the Polygalaceae that is found in California and elsewhere. It occurs within Chaparral, Cismontane woodland, and Riparian woodland, growing at elevations from 100 to 1000 meters. Rhinotropis cornuta var. fishiae is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

  Classification

Scientific Name:
Rhinotropis cornuta (Kellogg) J. R. Abbott var. fishiae (Parry) J. R. Abbott
Common Name:
Fish's milkwort
Family: Polygalaceae
Element Code: PDPGL020B2
USDA Plants Symbol: POCOF
Synonyms/Other Names:
  • Polygala cornuta Kell. var. pollardii Munz
  • Polygala cornuta Kell. var. fishiae (Parry) Jeps.

Ecology and Life History

Lifeform: perennial deciduous shrub
Blooming Period: May-Aug May-Aug
Elevation: 100-1000 (330-3280)
General Habitats: Chaparral, Cismontane woodland, Riparian woodland
Microhabitat:
Microhabitat Details:

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
California Endemic:  False
California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Diego (SDG), Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
Alberhill (3311764), Alpine (3211677), Barrett Lake (3211666), Black Star Canyon (3311776), Boucher Hill (3311638), Corona South (3311775), Dulzura (3211667), Fallbrook (3311743), Las Pulgas Canyon (3311734), Malibu Beach (3411816), Margarita Peak (3311744), Mesa Grande (3311627), Murrieta (3311752), Ojai (3411942), Palomar Observatory (3311637), Pechanga (3311741), Pitas Point (3411934), Rodriquez Mtn. (3311628), San Clemente (3311745), San Juan Capistrano (3311756), San Pasqual (3311618), Santa Paula Peak (3411941), Santa Rosa Hills (3412053), Santa Ynez (3412051), Santiago Peak (3311765), Saticoy (3411932), Sitton Peak (3311754), Temecula (3311742), Ventura (3411933), Viejas Mountain (3211676), White Ledge Peak (3411944), Wildomar (3311753)

Notes

Includes P. cornuta var. pollardii.
Threats:
Taxonomy:

Selected References

Proposed Non-Substantive Name Changes: Multiple taxa in various plant families from the Jepson eFlora revision 11 (2023)
Journal of the Botanical Research Institute of Texas 5: 125 – 137. (2011)
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 15 January 2025].