Rice Bean
Vigna umbellata
- Native to:
- Bangladesh, China, Hainan, India, Japan, Jawa, Laccadive Is., Laos, Lesser Sunda Is., Malaya, Myanmar, New Guinea, Pakistan, Philippines, Solomon Is., Sri Lanka, Taiwan, Thailand, Vietnam
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Vigna
- Species:
- Vigna umbellata
- USDA Symbol:
- VIUM2
Growth Characteristics
- Height:
- 200 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jul,aug,sep
- Bloom Colors:
- yellow
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Soil Requirements
- Soil Type:
- fertile, well-drained loamy soil
- pH:
- 5.5 - 6.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to tropical and subtropical regions
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 5–14 days
- Notes:
- Seeds germinate readily in warm soil without pretreatment. Optimal soil temperature 20-30°C.
The above propagation data sourced from Claude AI