Small Matweed
Guilleminea densa
- Native to:
- Argentina, Bolivia, Colombia, Mexico, Paraguay, Peru, United States
iNaturalist: © botswanabugs (iNaturalist #73191884)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Amaranthaceae
- Genus:
- Guilleminea
- Species:
- Guilleminea densa
- USDA Symbol:
- GUDE
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 10 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun,jul,aug,sep,oct
- Bloom Colors:
- white, green
- Ground Cover:
- Yes
- Lawn Substitute:
- Yes
Garden & Ecology Notes
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from roots after fire or mowing; adapted to disturbed sites.
Soil Requirements
- Soil Type:
- poor, sandy, well-drained soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- often found in disturbed areas and roadsides
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Seeds germinate readily with warm temperatures and moisture; no pretreatment typically required.
The above propagation data sourced from Claude AI