African Yam Bean

Sphenostylis stenocarpa

Native to:
Angola, Benin, Burundi, Cameroon, Central African Republic, Chad, Congo, DR Congo, Ethiopia, Gabon, Ghana, Guinea, Ivory Coast, Kenya, Malawi, Mali, Mozambique, Niger, Nigeria, Sudan-South Sudan, Tanzania, Togo, Uganda, Zambia, Zimbabwe

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Sphenostylis
Species:
Sphenostylis stenocarpa
USDA Symbol:
SPST8

Growth Characteristics

Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
sep,oct,nov
Bloom Colors:
purple, pink

Garden & Ecology Notes

Wildlife Value:
bees, butterflies

Soil Requirements

Soil Type:
fertile, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to tropical Africa, prefers warm climates

Propagation & Germination

Germination Time:
7–21 days
Notes:
Seeds germinate readily without pretreatment; soak seeds in warm water for 24 hours to improve germination.