Vigna oblongifolia
Vigna oblongifolia
- Native to:
- Angola, Benin, Botswana, Burundi, Cameroon, Caprivi Strip, Central African Republic, Chad, DR Congo, Eritrea, Ethiopia, Gabon, Ghana, Kenya, Madagascar, Malawi, Namibia, Nigeria, Rwanda, South Africa, Sudan-South Sudan, Tanzania, Uganda, Zambia, Zimbabwe
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Vigna
- Species:
- Vigna oblongifolia
- USDA Symbol:
- VIOB7
Growth Characteristics
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- yellow, purple
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rootstock following fire; found in fire-maintained pine savannas and sandhills.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid and semi-arid regions
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 7–21 days
- Notes:
- Scarification of hard seed coat improves germination rates. Warm temperatures (70-85°F) are optimal.
The above propagation data sourced from Claude AI