Onosma

Meikle, R.D. 1985: Flora of Cyprus 2
but modified and supplemented
1Flowers mostly blue
1'Flowers yellow (sometimes turning orange or brownish with age)
2Anthers exserted from corolla-tube
2'Anthers included in corolla-tube
3Indumentum simple, not stellate-pilose; flowers solitary or few at the apex of rigid, woody, subspinose branches; nutlets c. 3.5 x 2 mm
3'Indumentum closely stellate-pilose; flowers numerous in unilateral, scorpioid cymes; nutlets c. 4.5 x 3 mm
4Robust, erect biennial, more than 30 cm high; indumentum stellate-pilose; inflorescence an elongate panicle of cymes; corolla 15-20 mm long
4'Suffruticose, tufted perennials less than 30 cm high; indumentum simple, not stellate-pilose; inflorescence a terminal, corymbiform cyme; corolla 15-17 mm long
5Basal leaves crowded, rosulate, spathulate, 10-20 x 4-8 mm
5'Basal leaves not crowded or rosulate, oblanceolate or narrowly spathulate, 10-40 x 3-13 mm