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

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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