Eared Redstem
Ammannia auriculata
- Native to:
- Afghanistan, Andaman Is., Angola, Argentina, Aruba, Bahamas, Benin, Bolivia, Botswana, Brazil, Burkina, Burundi, Cambodia, Cape Verde, Central African Republic, Chad, China, Colombia, Congo, Costa Rica, Cuba, DR Congo, Egypt, El Salvador, Eritrea, Eswatini, Ethiopia, Guatemala, Guinea, Guinea-Bissau, Haiti, Honduras, India, Iran, Iraq, Ivory Coast, Jamaica, Kenya, Leeward Is., Malawi, Mali, Mauritania, Mexico, Mozambique, Namibia, Nepal, Netherlands Antilles, Nicaragua, Niger, Nigeria, Oman, Pakistan, Panamá, Paraguay, Peru, Puerto Rico, Rwanda, Saudi Arabia, Senegal, Sierra Leone, Solomon Is., Somalia, South Africa, Sudan-South Sudan, Tadzhikistan, Tanzania, Thailand, Togo, Transcaucasus, Türkiye, Uganda, United States, Uruguay, Uzbekistan, Vietnam, Yemen, Zambia, Zimbabwe
Blondeau, Alexandre; Fourier, Jean Baptiste Joseph; France.; France.; France.; Institut d'Egypte (1798-1801); Jacotin, Pierre; Jollois, Jean Baptiste Prosper; Jomard, Edme-François; Monge, Gaspard; Napoleon; Tresca, Salvadore; Villoteau, Guillaume André






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Lythraceae
- Genus:
- Ammannia
- Species:
- Ammannia auriculata
- USDA Symbol:
- AMAU2
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep,oct
- Bloom Colors:
- pink, purple
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, shorebirds
Soil Requirements
- Soil Type:
- rich, wet, clayey or silty soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in wetlands and marshy areas
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Seeds require light and consistently moist to saturated conditions for germination. Temperature range 20-30°C optimal.
The above propagation data sourced from Claude AI