| Publication Type: | Journal Article |
| Year of Publication: | 1989 |
| Authors: | Hilger, H. H. |
| Volume: | 166 |
| Pagination: | 119–129 |
| Keywords: | Angiosperms - Boraginaceae - Heliotropioideae - Ceballosia - Messerschmidia - Fruit morphology - anatomy - systematics - Flora of Macaronesia |