Martins, E.S. (1990) Boraginaceae Flora Zambesiaca 7(4)
Taton, A. (1971) Boraginaceae Flore du Congo du Rwanda et du Burundi Jardin Botanique National de Belgique
Perennial herbs or undershrubs. Leaves alternate, entire. Flowers 5-merous, actinomorphic, on leafy terminal or axillary cymes. Calyx lobed to near the base. Corolla cylindric to infundibuliform, orange, yellowish or whitish; tube with 5 more or less glandular invaginations in the throat and with a ring of nectaries at the base, inside; lobes imbricate in bud. Ovary with 4 free lobes, inserted on the narrow gynobase. Fruit dry, consisting of 4 nutlets or less by abortion; nutlets detaching completely from the receptacle, ovoid to ellipsoid, erect, smooth, white and shining, with the dorsal surface convex and the ventral one obtusely angular with a flat or convex point of attachment. Worldwide: 60 species in temperate regions, mainly North America. Zambia: 1 taxon. |
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| Species | FZ divisions | Content |
| afromontanum Weim. | E |