Taxon Report

Silene bolanderi A. Gray

Bolander's catchfly

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Copyright © 2022 Kjirsten Wayman

Taxon Summary

Silene bolanderi, commonly known as Bolander's catchfly, is a perennial herb in the Caryophyllaceae that is . It occurs within Chaparral (edges), Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, and North Coast coniferous forest, growing at elevations from 420 to 1150 meters. Silene bolanderi is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Silene bolanderi A. Gray
Common Name:
Bolander's catchfly
Family: Caryophyllaceae
Element Code: PDCAR0U2L0
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: May-Jun May-Jun
Elevation: 420-1150 (1380-3775)
General Habitats: Chaparral, Cismontane woodland, Lower montane coniferous forest, Meadows and seeps, North Coast coniferous forest
Microhabitat: Openings (usually), Roadsides (sometimes), Rocky (sometimes), Serpentine (sometimes)
Microhabitat Details: Usually grassy openings, sometimes dry rocky slopes, canyons, or roadsides

Occurrence Data from the CNDDB

Total Occurrences: 30
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 30
California Endemic:  False
California Counties and Islands: Name (Code)
Humboldt (HUM), Lake (LAK), Mendocino (MEN), Trinity (TRI)
Quads: Name (Quad Code)
Black Lassic (4012335), Blake Mountain (4012355), Cahto Peak (3912365), Dinsmore (4012345), Fort Seward (4012326), Foster Mtn. (3912342), Iron Peak (3912374), Jamison Ridge (3912362), Larabee Valley (4012346), Laughlin Range (3912333), Laytonville (3912364), Lincoln Ridge (3912366), Longvale (3912354), Potter Valley (3912331), Purdys Gardens (3912311), Redwood Valley (3912332), Ruth Reservoir (4012334), Showers Mtn. (4012356), Sportshaven (4012344), Willits (3912343), Zenia (4012324)

Notes

Threats:
Potentially threatened by agricultural conversion, road construction and maintenance, grazing and trampling by livestock, and severe wildfires.
Taxonomy:
Similar to S. hookeri, S. nelsonii, and S. salmonacea; differentiated by its funnelform corolla (salverform in S. hookeri), usually pink petals with linear corona appendages >1 mm long (white petals with appendages lacking or <1 mm long in S. nelsonii), glabrous petal base margin (sparsely to densely ciliate in S. nelsonii), and radial androecium symmetry (bilateral in S. hookeri).

Selected References

Proposed Addition to California Rare Plant Rank 1B.2, G2 / S2 (2021)
Proceedings of the American Academy of Arts and Sciences 7: 327–401 (1867)
Madroño 66(4): 176-193 (2019)
USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].