Taxon Report

Leptosiphon latisectus (E.G. Buxton) J.M. Porter & L.A. Johnson

broad-lobed leptosiphon

Print Report


© 2015 Steve Matson

Taxon Summary

Leptosiphon latisectus, commonly known as broad-lobed leptosiphon, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Broadleafed upland forest, and Cismontane woodland, growing at elevations from 170 to 1500 meters. Leptosiphon latisectus is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

  Classification
Scientific Name:
 Leptosiphon latisectus (E.G. Buxton) J.M. Porter & L.A. Johnson
Common Name:
 broad-lobed leptosiphon
Family: Polemoniaceae
Element Code: PDPLM09150
USDA Plants Symbol: LELA43
Synonyms/Other Names:
  • Linanthus latisectus E.G. Buxton

Ecology and Life History
Lifeform: annual herb
Blooming Period: Apr-Jun Apr-Jun
Elevation: 170-1500 (560-4920)
General Habitats: Broadleafed upland forest, Cismontane woodland
Microhabitat:
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 4.3
Global Rank: G4
State Rank:
 S4
State List: None
Fed List: None
Other Status:
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:  True
California Counties and Islands: Name (Code)
Colusa (COL), Del Norte (DNT), Humboldt (HUM), Lake (LAK), Marin (MRN), Mendocino (MEN), Monterey (MNT), Napa (NAP), San Benito (SBT), San Francisco (SFO), San Mateo (SMT), Shasta (SHA), Sonoma (SON), Tehama (TEH), Trinity (TRI), Yolo (YOL)
Quads: Name (Quad Code)
Aetna Springs (3812264), Bailey Ridge (3912324), Balls Ferry (4012242), Bartlett Mtn. (3912227), Bartlett Springs (3912226), Bell Springs (3912385), Blocksburg (4012336), Briceland (4012318), Brushy Mtn. (3912352), Burbeck (3912344), Cahto Peak (3912365), Calistoga (3812255), Childs Hill (4112461), Chiles Valley (3812253), Covelo East (3912372), Detert Reservoir (3812265), Dinsmore (4012345), Drakes Bay (3812218), Finley Butte (4012137), Fort Seward (4012326), Foster Mtn. (3912342), Garberville (4012317), Hall Ridge (3912276), Hames Valley (3512088), Hanland Peak (4012283), Harris (4012316), Honeydew (4012421), Jamison Ridge (3912362), Jericho Valley (3812274), Kenwood (3812245), Knoxville (3812273), Lake Pillsbury (3912248), Lakeport (3912218), Larabee Valley (4012346), Lassen Peak (4012145), Laughlin Range (3912333), Leesville (3912224), Lincoln Ridge (3912366), Longvale (3912354), Lucerne (3912217), Mark West Springs (3812256), Mendocino Pass (3912278), Middletown (3812275), Miranda (4012327), Montara Mountain (3712254), Monterey (3612158), Mount St. Helena (3812266), Natividad (3612165), Newhouse Ridge (3912371), Noble Butte (3912386), North Chalone Peak (3612142), Noyo Hill (3912346), O'Brien (4012273), Orrs Springs (3912323), Palo Alto (3712242), Palo Cedro (4012252), Plantation (3812353), Platina (4012238), Potter Valley (3912331), Red Bluff East (4012222), Redding (4012254), Riley Ridge (3912286), Rumsey (3812282), Ruth Reservoir (4012334), Rutherford (3812244), San Francisco North (3712274), San Francisco South (3712264), Sanhedrin Mtn. (3912351), Shasta Dam (4012264), St. Helena (3812254), St. John Mtn. (3912246), Tan Oak Park (3912375), Ukiah (3912322), Van Arsdale Reservoir (3912341), Wilbur Springs (3912214), Willits (3912343), Yountville (3812243), Zenia (4012324)

Threat List Data from the CNDDB

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

Notes
Not in The Jepson Manual. See Madroño 41(3):178 (1994) for original description, and Aliso 19(1):55-91 (2000) for revised nomenclature.
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 10 May 2025].