Meikle, R.D. 1985: Flora of Cyprus 2P. H. Davis 1978: Flora of Turkey and the East Aegean Islands 6
but supplemented
1Leaves and stems shortly tomentose with stellate hairs
1'Leaves and stems subglabrous or thinly pilose with simple glandular or eglandular hairs
2Basal leaves conspicuously sinuate-lobed; filaments with purple wool; capsule c. 4 x 3.5 mm
2'Basal leaves not sinuate-lobed, obtusely crenate; filaments with whitish-yellow wool; capsule 5-6 x 4-5 mm
3Flowers very shortly pedicellate or subsessile; annual with the cauline leaves pinnatisect or bipinnatisect into narrow lobes
3'Flowers distinctly pedicellate; biennials or perennials; cauline leaves not as above
4Basal leaves crenate or shortly sinuate-lobed; cauline alternate; stem sparsely glandular above, glabrous towards base; stamens 5
4'Basal leaves lyrate-pinnatisect; cauline opposite; stems generally glandular-pilose throughout; stamens 4