Black Nightshade/ Wonderberry

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A leafy green vegetable with small white flowers and black berries. It grows wild and is also cultivated in many parts of Kenya.

swahili name

Mnavu/ mnagu

More Local Names

borana:
DIGO:
duruma:
giriama:
Mnavu
kamba:
Kitulu
kauma:
kikuyu:
Managu
kipsigis:
Isoiyot
kisii:
kuria:
luhya:
Litsusa
LUO:
Osuga
maasai:
Ormomoi
maragoli:
meru:
mijikenda:
nandi:
Isochot
NUBI:
OGIEK:
pokomo:
pokot:
rabai:
sabaot:
samburu:
suba:
TURKANA:

Scientific Name

Solanum nigrum

plant family

Plant Details and use

1. Nutritional Use (Leafy Vegetable)

  • Use: Leaves and young shoots are cooked and eaten as a vegetable, often with ugali.
  • Example: In Kikuyu and Luo households, managu is a staple green, valued for its iron and vitamin content.

2. Stomach and Digestive Health

  • Use: Decoctions of leaves or roots are used to treat stomachaches, ulcers, and indigestion.
  • Example: In Kisii, boiled leaves are consumed to relieve stomach discomfort.

3. Oral Health and Teething

  • Use: Unripe fruits are squeezed on babies’ gums to ease teething pain.
  • Example: In Western Kenya, this practice is common among Luhya mothers.

4. Fever and Malaria

  • Use: Leaf infusions are taken to reduce fever and manage malaria symptoms.
  • Example: Among the Kalenjin, managu tea is used during malaria recovery.

5. Wound Healing and Skin Conditions

  • Use: Crushed leaves are applied to wounds, boils, and skin rashes.
  • Example: In Nakuru, traditional healers use leaf poultices for skin infections.

6. Women's Health

  • Use: Used to treat menstrual cramps and postpartum recovery.
  • Example: In Kakamega, women consume managu after childbirth to regain strength.

warning
Warning message
Toxicity of Unripe Berries Unripe berries contain solanine, a toxic alkaloid that can cause nausea, vomiting, and diarrhea if consumed in large amounts. Proper Preparation Required Raw leaves may contain anti-nutritional factors (e.g., oxalates, nitrates). Boiling and discarding the water reduces these risks. Not Recommended for Pregnant Women in High Doses Some traditional healers caution against excessive use during pregnancy due to potential uterine stimulation. Allergic Reactions Rare, but some individuals may experience itching or digestive upset after consumption.

treatable conditions