4. Buglossoides Moench
About 7 species,
Europe, Asia, introduced nearly worldwide.
Johnston (1954) resurrected this segregate of Lithospermum
based on differences in flower morphology between the two, especially the
glandular nectar guides (vs. scales) extending from the corolla throat to the
stamens in Buglossoides. Elsewhere, the genus includes both annuals and
perennials, with blue or white corollas.