A member of the Boraginaceae which is found in eastern and southern Africa.  Used in folk medicine for wounds.  Photo from northern Tanzania.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/92252798@N07">Dick Culbert</a> from Gibsons, B.C., Canada
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/92252798@N07/25754650784/">Heliotropium steudneri</a>