[powo.science.kew.org] Native countries: The native range of this species is Africa to India, Andaman and Nicobar Islands. It is an annual and grows primarily in the seasonally dry tropical biome. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 05/13/2025).
