Taxon Report
Chlorogalum pomeridianum (DC.) Kunth var. minus Hoov.dwarf soaproot |
 © 1997 Dean Wm Taylor |
Taxon Summary
Chlorogalum pomeridianum var. minus, commonly known as dwarf soaproot, is a perennial bulbiferous herb in the Agavaceae that is found only in California. It occurs within Chaparral, growing at elevations from 305 to 1000 meters. Chlorogalum pomeridianum var. minus is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Chlorogalum pomeridianum (DC.) Kunth var. minus Hoov. |
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Common Name: |
dwarf soaproot |
| Family: | Agavaceae |
| Element Code: | PMLIL0G042 |
| USDA Plants Symbol: | CHPOM |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial bulbiferous herb |
| Blooming Period: May-Aug | May-Aug |
| Elevation: | 305-1000 (1000-3280) |
| General Habitats: | Chaparral |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G5T3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_SBBG; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 31 |
| Element Occurrence Ranks: | |
| Excellent (A) | 13 |
| Good (B) | 3 |
| Fair (C) | 0 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 14 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Alameda (ALA), Colusa (COL), Glenn (GLE), Lake (LAK), San Luis Obispo (SLO), Santa Clara (SCL), Sonoma (SON), Tehama (TEH) | |
| Quads: Name (Quad Code) | |
| Camatta Ranch (3512043), Cazadero (3812351), Cedar Mtn. (3712155), Chrome (3912265), Gilmore Peak (3912235), Hall Ridge (3912276), Lopez Mtn. (3512035), Morgan Hill (3712126), Morro Bay South (3512037), Newville (3912275), Paskenta (3912285), Pismo Beach (3512026), Port San Luis (3512027), Raglin Ridge (4012216), Riley Ridge (3912286), San Luis Obispo (3512036), Santa Teresa Hills (3712127), St. John Mtn. (3912246), Stonyford (3912245), Whispering Pines (3812276) | |
Threat List Data from the CNDDB
| Threat List Total: | 6 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 5 | 16 % | |
| Grazing | 3 | 9% |
| Improper burning regime | 2 | 6% |
| Military operations | 2 | 6% |
| Road/trail construction/maint. | 2 | 6% |
| Erosion/runoff | 2 | 6% |
| Feral pigs | 2 | 6% |
Selected References
| Madroño 5(5):144 (1940) |
| Profile for potential SCC evaluation (2018) |
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].