Hilsenbergia lyciacea

References

1. [1]Classification of Boraginaceae subfam. Ehretioideae: Resurrection of the genus HilsenbergiaTausch ex Meisn. — Miller James S. · Museum National d'Histoire Naturelle; Paris. · 2003 · http://www.mnhn.fr/publication/adanson/a03n2a1.pdf ↩︎A resurrection and revision of the genus Hilsenbergia with a detailed description of a number of new species from Madagascar. It can be downloaded from the Internet.
2. [2]Flora of Somalia — Thulin M. (Editor) · Kew Publishing, London. · 1993 ↩︎Detailed information on the plants of the region, often adding notes on the plants uses.
3. [3]Protabase - Plant Resources of Tropical Africa. — http://www.prota.org ↩︎An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.