Clausena indica

References

1. [1]Adansonia Vol. 16 — Museum National D'Histoire Naturelle; Paris. · 1994 · http://www.biodiversitylibrary.org · ISBN 0240-8937 ↩︎A botanical magazine containing a range of articles, including a revision of a section of the genus Danais. It can be downloaded from the Internet.
2. [2]The Botany of Citrus and Its Wild Relatives — Swingle. W.T. · http://lib.ucr.edu/agnic/webber/Vol1/Chapter3.html ↩︎An on-line document giving lots of information about Citrus species and their relatives. A bit dated, but still an incredibly detailed work.